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ARC-8050T3U

(4/6/8/12-bays ThunderboltTM 3 RAID Storage)

User Manual

Version: 2.5

Issue Date: June, 2022

Thunderbolt™ Prod

uct

The information regarding products in this manual is subject to change

without prior notice and does not represent a commitment on the part

of the vendor, who assumes no liability or responsibility for any errors

that may appear in this manual. All brands and trademarks are the

properties of their respective owners. This manual contains materials

protected under International Copyright Conventions. All rights

reserved. No part of this manual may be reproduced in any form or by

any means, electronic or mechanical, including photocopying, without

the written permission of the manufacturer and the author.

FCC Statement

This equipment has been tested and found to comply with the lim-

its for a Class B digital device, pursuant to part 15 of the FCC Rules.

These limits are designed to provide reasonable protection against in-

terference in a residential installation. This equipment generates, uses,

and can radiate radio frequency energy and, if not installed and used

in accordance with the instructions, may cause harmful interference to

radio communications. However, there is no guarantee that interfer-

ence will not occur in a particular installation.

Manufacturer’s Declaration for CE Certication

We conrm ARC-8050T3U series has been tested and found com-

ply with the requirements set up in the council directive on the ap-

proximation of the low of member state relating to the EMC Direc-

tive2004/108/EC. For the evaluation regarding to the electromagnetic

compatibility, the following standards where applied:

EN 55022: 2006, Class B

EN 61000-3-2: 2006

EN 61000-3-3: 1995+A1: 2001+A2: 2005

EN 55024:1998+A1:2001=A2:2003

IEC61000-4-2: 2001

IEC61000-4-3: 2006

IEC61000-4-4: 2004

IEC61000-4-5: 2005

IEC61000-4-6: 2006

IEC61000-4-8: 2001

IEC61000-4-11: 2004

Contents

1. Introduction 8 ................................................................

1.1 Overview 8 .........................................................................

1.2 Features 10 ........................................................................

2. Installation 13 ................................................................

2.1 Before You First Installing................................................. 13

2.2 Summary of RAID Storage Setup Steps .............................. 14

• For macOS .................................................................... 14

• For Windows .................................................................. 15

2.3 RAID Storage View 16 ..........................................................

2.4 Setting Up RAID Storage .................................................. 23

2.4.1 Physically Install RAID Storage and Drives 23 .....................

2.4.2 Mac Users ................................................................. 32

2.4.2.1 Install Areca driver for Mac 32 .....................................

2.4.2.2 Install the MRAID Utility ......................................... 38

2.4.2.3 Congure RAID Volumes ......................................... 43

2.4.2.4 Format and Partition RAID Volumes 46 ..........................

2.4.2.5 Make A Bootable RAID Volume 48 ................................

2.4.2.6 Unmounting RAID Volumes ..................................... 48

2.4.3 Windows Users .......................................................... 50

2.4.3.1 Install the Thunderbolt Software 50 ..............................

2.4.3.2 Congure RAID Volumes ......................................... 54

2.4.3.3 Format RAID Volumes 57 ............................................

2.4.3.4 Unmounting RAID Volumes ..................................... 57

3. ArcHTTP Conguration .............................................. 59

• General Conguration ..................................................... 59

• Mail (Alert by Mail) Conguration ..................................... 60

• SNMP Traps Conguration ............................................... 61

• Rescan Device Conguration ............................................ 63

• Collect Support Data 63 ......................................................

4. Web Browser-based Conguration ........................... 64

4.1 Start-up McRAID Storage Manager 65 ....................................

• McRAID Storage Manager from Local Administration (In-Band)

...................................................................................... 65

• McRAID Storage Manager Through LAN Port (Out-of-Band) 66 ..

4.2 McRAID Main Window 66 ......................................................

4.3 Main Menu 67 ....................................................................

4.4 Quick Function 67 ................................................................

4.5 Raid Set Functions 68 ..........................................................

4.5.1 Create Raid Set ......................................................... 68

4.5.2 Delete Raid Set .......................................................... 69

4.5.3 Expand Raid Set ......................................................... 70

4.5.4 Ofine Raid Set .......................................................... 71

4.5.5 Rename Raid Set ........................................................ 71

4.5.6 Activate Incomplete Raid Set 72 .......................................

4.5.7 Create Hot Spare 72 .......................................................

4.5.8 Delete Hot Spare 73 ........................................................

4.5.9 Rescue Raid Set ......................................................... 73

4.6 Volume Set Functions ...................................................... 75

4.6.1 Create Volume Set (0/1/10/3/5/6) 75 ...............................

4.6.2 Create Raid30/50/60 (Volume Set 30/50/60) ................. 80

4.6.3 Delete Volume Set 80 ......................................................

4.6.4 Modify Volume Set 81 ......................................................

4.6.4.1 Volume Growth 82 .....................................................

4.6.4.2 Volume Set Migration ............................................. 82

4.6.4.3 Volume Write Protection 83 .........................................

4.6.5 Check Volume Set 83 ......................................................

4.6.6 Schedule Volume Check 84 ..............................................

4.6.8 Download Volume Key File 85 ...........................................

4.7 Security Function 86 ............................................................

4.7.1 Create SED RAID Set 86 .................................................

4.7.2 Delete SED RAID Set 87 .................................................

4.7.3 Delete ISE RAID Set 87 ..................................................

4.7.4 Security Key Setup 88 .....................................................

4.7.4.1 SED Key Management-Creation 88 ...............................

4.7.4.2 SED Key Management-Modication .......................... 89

4.7.5 Import Security Key 90 ....................................................

4.7.6 Erase Failed Disk 91 ........................................................

4.7.7 RevertSP 92 ...................................................................

4.8 Physical Drive 93 ................................................................

4.8.1 Create Pass-Through Disk 93 ............................................

4.8.2 Modify Pass-Through Disk 93 ............................................

4.8.3 Delete Pass-Through Disk 94 ............................................

4.8.4 Clone Disk 94 .................................................................

4.8.4.1 Clone And Replace 95 .................................................

4.8.4.2 Clone Only 95 ...........................................................

4.8.5 Abort Cloning 96 .............................................................

4.8.6 Set Disk To Be Failed 96 ..................................................

4.8.7 Activate Failed Disk 96 ....................................................

4.8.8 Identify Enclosure 97 ......................................................

4.8.9 Identify Drive 97 ............................................................

4.9 System Controls 98 .............................................................

4.9.1 System Cong ........................................................... 98

• System Beeper Setting ................................................... 98

• Background Task Priority ................................................. 98

• JBOD/RAID Conguration ................................................ 98

• SATA NCQ Support 99 .........................................................

• HDD Read Ahead Cache 99 ..................................................

• Volume Data Read Ahead ............................................... 99

• HDD Queue Depth ......................................................... 99

• Empty HDD Slot LED ...................................................... 99

• Max Command Length .................................................. 100

• Auto Activate Incomplete Raid ....................................... 100

• Disk Write Cache Mode ................................................. 100

• Write Same For Initialization .......................................... 100

• Hot Plugged Disk For Rebuilding ..................................... 100

• Disk Capacity Truncation Mode ....................................... 101

• Smart Option For HDD .................................................. 101

• Smart Polling Interval ................................................... 102

4.9.2 Advanced Conguration ............................................. 102

• TLER Setting ............................................................... 103

• Timeout Setting ........................................................... 103

• Number of Retries ........................................................ 103

• Buffer Threshold .......................................................... 103

• Read Ahead Count ........................................................ 104

• Read Ahead Requests ................................................... 104

• Amount of Read Ahead ................................................. 104

• Number of AV Stream ................................................... 104

• Optimize AV Recording .................................................. 105

• Read Performance Margin .............................................. 105

• Read And Discard Parity Data ........................................ 107

• BIOS Selection............................................................. 107

• Host Command Queue Mode .......................................... 108

• Save SED Key In Controller ........................................... 108

• Fail Disk For Reading Error ............................................ 108

• Thunderbolt Receive Sleep Request ................................ 109

4.9.3 HDD Power Management 110 ...........................................

• Stagger Power On Control 110 ............................................

• Time To Hdd Low Power Idle 111 .........................................

• Time To Hdd Low RPM Mode 111 .........................................

• SATA Power Up In Standby ........................................... 111

• Delay for Phy to Stable ................................................ 112

• SSD Stop Unit When Shutdown ..................................... 112

4.9.4 Ethernet Conguration ............................................. 113

• DHCP Function 113 .............................................................

• Local IP address 114 ...........................................................

• Gateway IP address ...................................................... 114

• Subnet Mask 114 ...............................................................

• HTTP Port Number 114 ........................................................

• Telnet Port Number 114 ......................................................

• SMTP Port Number 114 .......................................................

4.9.5 Alert By Mail Conguration ....................................... 115

4.9.6 SNMP Conguration .................................................. 115

4.9.7 NTP Conguration .................................................... 116

• NTP Sever Address ....................................................... 116

• Time Zone ................................................................... 116

• Automatic Daylight Saving............................................. 117

4.9.8 View Events/Mute Beeper 117 ..........................................

4.9.9 Generate Test Event 117 .................................................

4.9.10 Clear Events Buffer 118 .................................................

4.9.11 Modify Password 118 .....................................................

4.9.12 Update Firmware ................................................... 119

4.10 Information 120 ................................................................

4.10.1 Raid Set Hierarchy 120 ..................................................

4.10.1.1 Hdd Xfer Speed 120 .................................................

4.10.2 SAS Chip Information 121 ..............................................

4.10.3 System Information 122 ................................................

4.10.4 Hardware Monitor 122 ...................................................

Appendix A 123 .................................................................

Upgrading Flash ROM Update Process .................................... 123

Appendix B 126 ..................................................................

Battery Backup Module (ARC-6120BA-T021-T3) 126 ......................

B-1 BBM Connector and Components 126 ................................

B-2 Status of BBM 126 ..........................................................

B-3 Installation 127 ..............................................................

Appendix C 132 ..................................................................

SNMP Operation & Installation 132 ..............................................

Appendix D 137 ..................................................................

Event Notication Congurations ........................................ 137

A. Device Event 137 ..............................................................

B. Volume Event 138 .............................................................

C. RAID Set Event 139 ..........................................................

D. Hardware Monitor Event .............................................. 139

Appendix E 141 ..................................................................

Self-Encrypting Disk (SED) Encryption 141 .................................

Appendix F 147 ..................................................................

Full Volume Encryption ...................................................... 147

Appendix G 152 ..................................................................

RAID Concept 152 ....................................................................

RAID Set 152 .........................................................................

Volume Set ...................................................................... 152

Ease of Use Features ......................................................... 153

• Foreground Availability/Background Initialization .............. 153

• Online Array Roaming 153 ...................................................

• Online Capacity Expansion 153 .............................................

• Online RAID Level and Stripe Size Migration .................... 155

• Online Volume Expansion 156 ..............................................

High Availability ............................................................... 156

• Global/Local Hot Spares 156 ................................................

• Hot-Swap Disk Drive Support 157 .........................................

• Auto Declare Hot-Spare 157 ...............................................

• Auto Rebuilding ........................................................... 158

• Adjustable Rebuild Priority 158 .............................................

High Reliability 159 .................................................................

• Hard Drive Failure Prediction 159 ..........................................

• Auto Reassign Sector 159 ....................................................

• Consistency Check 160 .......................................................

Data Protection 160 ................................................................

• Battery Backup 160 ...........................................................

• Recovery ROM ............................................................. 161

Appendix H 162 ..................................................................

Understanding RAID .......................................................... 162

RAID 0 162 ............................................................................

RAID 1 163 ............................................................................

RAID 10(1E) 164 ....................................................................

RAID 3 164 ............................................................................

RAID 5 165 ............................................................................

RAID 6 166 ............................................................................

RAID x0 166 ..........................................................................

Single Disk (Pass-Through Disk) ......................................... 167

Summary of RAID Levels 168 ...................................................

INTRODUCTION

1. Introduction

This section presents a brief overview of the Thunderbolt 3 desktop

SAS/SATA RAID storages, ARC-8050T3U series.

1.1 Overview

Unleash Your Creativity Faster Than Ever

Thunderbolt™ 3 brings Thunderbolt to USB-C at speeds up to 40

Gbps, creating one compact port that does it all – delivering the

fastest, most versatile connection to any dock, display, or data

device. ARC-8050T3U is equipped with dual Thunderbolt 3 ports for

connecting to any Thunderbolt 3-enabled host and offers an addi-

tional Thunderbolt 3 port for daisy-chaining other peripherals, while

also supplying power for quick notebook charging. The Thunderbolt

daisy-chaining allows connection of up to six devices, so customers

can connect ARC-8050T3U for massive amounts of video storage

with a single Thunderbolt connection to their host computer. If an

ARC-8050T3U is plugged in a USB-C (or) USB X.X computer port, a

USB device controller inside the ARC-8050T3U-enabled system

is activated, and the inside USB device controller drives USB (2.0,

3.2 Gen 1, or 3.2 Gen 2) signals to the USB-C port. In this condi-

tion, the ARC-8050T3U Thunderbolt 3 port behaves exactly like a

typical USB-C 3.2-enabled connector. The ARC-8050T3U also sports

a full sized DisplayPort 1.4 video output on its rear, allowing for a

quick and easy 8K 30Hz display setup.

Unparalleled Performance for 4K Workow

ARC-8050T3U is the most complete 4/6/8/12-bay Thunderbolt

3 desktop SAS/SATA RAID storage with RAID control capabilities

solution for both PC and Mac. ARC-8050T3U incorporated on-board

RAID-On-Chip and ECC SDRAM memory to deliver true high perfor-

mance hardware RAID protection against drive failure.This combi-

nation helps to provide a high performance storage device perfect

for the video editor working with Real time multi-stream HD and 4K

workows. It is so quick it allows for 4K displays at the same time

as daisy chaining ARC-8050T3U and doing a simultaneous 4K out-

put and le transfers while maintaining maximum throughput.

INTRODUCTION

Thunderbolt 3 and USB 3.2 Gen2 Ready

ARC-8050T3U Thunderbolt 3 port supports both Thunderbolt 3 &

USB 3.2 Gen 2 protocol.

INTRODUCTION

1.2 Features

Controller Architecture

• 800 MHz one core (for ARC-8050T3U-4) / 1.2 GHz dual core (for

ARC-8050T3U-6/8/12) ROC for RAID core and SAS microcode

• 1GB DDR3-800 (for ARC-8050T3U-4) / 2GB on-board DDR3-1866

(for ARC-8050T3U-6/8/12) SDRAM with ECC protection

• Redundant ash image for adapter availability

• System status indication through LCD, LED and alarm buzzer

RAID Features

• RAID level 0, 1, 1E, 3, 5, 6, 10, 30, 50, 60, Single Disk or JBOD

• Multiple RAID selection

• Support up to 1MB stripe size

• Online array roaming

• Online RAID level/stripe size migration

• Support global hot spare and local hot spare

• Instant availability and background initialization

• Advanced conguration for smooth data streaming

• Disk scrubbing/ array verify scheduling support

• Multiple pairs SSD/HDD disk clone function

• SSD automatic monitor clone (AMC) support

• SED (Self-encrypting drives) function support

• Support HDD rmware update

• Support for native 4K and 512 byte sector SAS and SATA device s

• Redundant ash image for adapter availability

• System status indication through LCD, LED and alarm buzzer

• Complete conguration management suite

- McRAID manager – browser-based management tool (LAN or

Thunderbolt)

- ArcSAP manager – multi-language management software

- Push Buttons and LCD Display panel for setup and status

- Command Line Interface (CLI)- scriptable conguration tool

- API libraries support - combine GUI with user management

utility

- SNMP support for remote monitoring

- SMTP support for email notication

System Environment

• Operating Temperature : 0 ~ 35˚C

• Operating Humidity : 5% ~ 95 %, Non-condensing

INTRODUCTION

Function Advantages

Features Benets

USB-C Computer Port Com-

patibility Mode

Supports basic compatibility when ARC-8050T3U is con-

nected to a USB-C (or) USB X.X computer port.

Bootable Drive Support Provides user the capability of adding bootable drive via

Thunderbolt on Apple thunderbolt-capable machine.

Advanced Conguration Provide optimized parameter to adjust controlled rm-

ware behavior for smooth data streaming.

Controller-level Hardware

Encryption

Board-level hardware encryption manages any kinds of

drives attached to ARC-8050T3U without impacting the

performance for higher levels of security. (not available

for 4-Bay)

Intelligent power On/Off

function

Turns ARC-8050T3U power in unison with the host com-

puter power status for data integrity.

Front Panel LCD and Buttons Easy access for conguration and status report.

Network Interface Embedded web server for remote control from one

10/100/1000 Ethernet (RJ-45).

Product Features

Thunderbolt 3 desktop SAS/SATA RAID storages

Model Name ARC-8050T3U-6 ARC-8050T3U-8 ARC-8050T3U-12

Form Factor Desktop 6-Bay Desktop 8-Bay Desktop 12-Bay

Disk Interface x 6 / x 8 / x 12

12Gb/s 2.5"/3.5" SAS/SATA

I/O Processor Dual Core 1.2 GHz SAS ROC

On-Board Cache 2GB DDR3-1866

Expansion Support SFF-8644 (2-lanes) N/A SFF-8644 (4-lanes)

Cooling Fan 1 x 2700rpm 2 x 2700rpm

Power 180W 300W 400W

Dimension

(W/H/D)

4.8 x 8.45 x 9.11 in

(146 x 255 x 290

mm)

5.7 x 11.8 x 11.4 in

(146 x 302 x 290

mm)

8.1 x 12.2 x 11.4 in

(206 x 310 x 290

mm)

Weight 13.2 lbs/6.0Kg 14.9 lbs/6.8Kg 20.8 lbs/9.5Kg

DC_IN N/A

RAID Level 0, 1, 10, 3, 5, 6, 30, 50, 60, Single Disk, JBOD

Connection Thunderbolt 3 x2/Display Port x1

Computer Port

Type

Thunderbolt™ 3, USB-C, USB X.X

INTRODUCTION

Thunderbolt 3 desktop SAS/SATA RAID storages

Model Name ARC-8050T3U-4 ARC-8050T3U-6M

Form Factor Desktop 4-Bay Desktop 6-Bay

Disk Interface 4 x 6Gb/s 2.5"/3.5" 6 x 12Gb/s 2.5" SAS/SATA SAS/SATA

I/O Processor One Core 800 MHz SAS ROC Dual Core 1.2 GHz SAS ROC

On-Board Cache 1GB DDR3-800 2GB DDR3-1866

Expansion Support N/A SFF-8644 (2-lanes)

Cooling Fan 1 x 2700rpm

Power 150W

Dimension (W/H/D) 4.84 x 6.51 x 9.11 in (123 x 165.6 x 232mm)

Weight 8.0 lbs/3.6 Kg

DC_IN N/A 4-pin XLR

RAID Level 0, 1, 10, 3, 5, 6, Single Disk,

JBOD

0, 1, 10, 3, 5, 6, 30, 50, 60,

Single Disk, JBOD

Connection Thunderbolt 3 x2/Display Port x1

Computer Port Type Thunderbolt™ 3, USB-C, USB X.X

INSTALLATION

2. Installation

This section describes how to install the ARC-8050T3U Thunderbolt 3

RAID storage with host computer and disks.

2.1 Before You First Installing

Thanks for purchasing the ARC-8050T3U as your RAID data stor-

age. The following manual gives simple step-by-step instructions

for installing and conguring the ARC-8050T3U RAID storage.

Checklist

• 1 x ARC-8050T3U-4/6(M)/8/12 bays RAID storage unit

• 1 x 40Gbps Thunderbolt 3 Type-C cable

• 1 x RJ-45 LAN cable

• 1 x Power cord

• 16/24/32/48 x Drive mounting screws (4 per drive tray)

• 1 x Quick installation guide

System Requirements

• Computer with Thunderbolt 3 port (macOS 10.12 or higher,

Windows 8/10 or higher)

• Computer with USB-C/USB X.X port only

You can connect your ARC-8050T3U device Thunderbolt 3 port to

a host computer that supports one of the following interfaces.

- Thunderbolt 3 ( ): Transfer rates up to 40Gb/s

- SuperSpeed USB 3.2 Gen 2 ( ):Transfer rates up to 10Gb/s

- SuperSpeed USB 3.2 Gen 1 ( ):Transfer rates up to 5Gb/s

- Hi-Speed USB 2.0 ( ): Transfer rates up to 480 Mb/s

INSTALLATION

2.2 Summary of RAID Storage Setup Steps

• For macOS

Step 1. Physically Install the Hardware (Chapter 2.4.1)

1. Install HDDs.

2. Connect power cord.

3. Connect Thunderbolt cable.

Step 2. Install the Thunderbolt Software Package (Chapter

2.4.2.1)

1. Download the install_thunderbolt installer from the website

at “ https://www.areca.com.tw/support/downloads.html”.

2. Navigate to your Downloads folder and double-click the in-

stall_thunderbolt software.

3. Follow the installer on-screen steps to complete the installa-

tion.

Step 3. Congure RAID Volumes (Chapter 2.4.2.2)

1. Double-click on the “MRAID” icon on the desktop.

2. Double-click on the “ArcHTTP64”.

3. Locate “ARC-8050T3U Web Management” and launch the

McRAID storage manager.

4. Login User Name “admin” and the Password “0000”.

5. Click on the “Quick Create” to congure the volume.

6. Follow the on-screen steps to complete the conguration.

Step 4. Format RAID Volumes (Chapter )2.4.2.3

1. macOS recognizes that a new disk is available.

2. Follow the Disk Utility on-screen steps to initialize and parti-

tion your unit.

3. Icons for each new partition show up on your desktop.

4. They are now ready to use.

INSTALLATION

• For Windows

Step 1. Physically Install the Hardware (Chapter 2.4.1)

1. Install HDDs.

2. Connect power cord.

3. Connect Thunderbolt cable.

Step 2. Install the Thunderbolt Software Package (Chapter

2.4.3.1)

1. Download the install_thunderbolt installer from the website

at “https://www.areca.com.tw/support/downloads.html”.

2. Double-click on the install_thunderbolt zipped le.

3. Double-click on the “setup.exe” unzip le.

4. Follow the installer on-screen steps to complete the installa-

tion.

Step 3. Congure RAID Volumes (Chapter 2.4.3.2)

1. Right-click on the “Start” icon on the desktop.

2. Click on the “MRAID”.

3. Click on the “ArcHTTPSrvGUI” to install the “ArcHTTP Task

Bar”.

4. Double-click the “ArcHTTP Task Bar” on the Windows taskbar

to launch the ArcHTTP Conguration.

5. Locate “ARC-8050T3U Web Management” and launch the

McRAID storage manager.

6. Login User Name “admin” and the Password “0000”.

7. Click on the “Quick Create” to congure the volume.

8. Follow the on-screen steps to complete the conguration.

Step 4. Format RAID Volumes (Chapter )2.4.3.3

1. Click “Start” => right-click “Computer” and select “Manage”.

2. Click “Disk Management” in the left pane.

3. Scroll down to the bottom of the middle pane. Windows will

display a list of new drives attached to your system with a

label such as “Disk 1” or “Disk 2”, etc.

4. Right-click on the drive you want to partition and then again

to format it.

5. Once it’s formatted, Windows automatically assigns the next

available drive letter to it and then it will appear in Windows

Explorer.

6. They are now ready to use.

INSTALLATION

2.3 RAID Storage View

The following diagram is the ARC-8050T3U 4-bay RAID storage

front view and rear view.

Front View Rear View

1. Disk Activity LED

2. Disk Fault / Link LED

3. Power and Global Fault

LED

4. Thunderbolt & USB 3.2 Port1

5. Thunderbolt & USB 3.2 Port2

6. Display Port

7. Reset Button

8. LAN Port

9. Power Connector

10. System Fan

11. LCD Panel with Keypad

INSTALLATION

Front View Rear View

1. Disk Activity LED

2. Disk Fault / Link LED

3. LCD Panel with Keypad

4. Thunderbolt & USB 3.2 Port1

5. Thunderbolt & USB 3.2 Port2

6. Display Port

7. LAN Port

8. SAS Expansion Port

9. Reset Button

10. System Fan

11. Power Connector

The following diagram is the ARC-8050T3U 6-bay RAID storage

front view and rear view.

INSTALLATION

The following diagram is the ARC-8050T3U-6M RAID storage front

view and rear view.

Front View Rear View

1. Disk Activity LED

2. Disk Fault / Link LED

3. LCD Panel with Keypad

4. Thunderbolt & USB 3.2 Port1

5. Thunderbolt & USB 3.2 Port2

6. Display Port

7. LAN Port

8. SAS Expansion Port

9. Reset Button

10. System Fan

11. 4-Pin Male XLR (DC_IN)

12. Power Connector (AC_IN)

INSTALLATION

Front View Rear View

1. Disk Activity LED

2. Disk Fault/Link LED

3. LCD Panel with Keypad

4. Thunderbolt & USB 3.2 Port1

5. Thunderbolt & USB 3.2 Port2

6. Display Port

7. LAN Port

8. Reset Button

9. System Fan1

10. System Fan2

11. Power Connector

The following diagram is the ARC-8050T3U 8-bay RAID storage

front view and rear view.

INSTALLATION

Front View Rear View

1. Disk Activity LED

2. Disk Fault/Link LED

3. LCD Panel with Keypad

4. Thunderbolt & USB 3.2 Port1

5. Thunderbolt & USB 3.2 Port2

6. Display Port

7. LAN Port

8. SAS Expansion Port

9. Reset Button

10. System Fan1

11. System Fan2

12. Power Supply Fan

13. Power Connector

The following diagram is the ARC-8050T3U 12-bay RAID storage

front view and rear view.

INSTALLATION

• Disk Slot Numbers

To perform a disk hot-plug procedure, you must know the physical

disk slot number for the drive that you want to install or remove.

The number on the drive tray shows how RAID subsystem disk

slots are numbered. Disk slot number is reected in the RAID

manager interface. The sequence of disk slots goes from the top

of the enclosure to the bottom, from left to the right. (as shown

in storage front view gures)

• Drive Tray LED Indicators

Figure 2-1, Activity/Fault LED

(ARC-8050T3U-4/6/8/12)

Figure 2-2, Activity/Fault LED

(ARC-8050T3U-6M)

The following table describes the RAID storage disk drive tray LED

behavior.

Tray LED Normal Status Problem Indication

1. Activity LED

(Blue)

1. When the activity LED

is lit, there is I/O acti-

vity on that disk drive.

2. When the LED is not

lit; there is no activity

on that disk drive.

N/A

2. Fault/Link LED

(Red/Green)

1. When the fault LED is

lit, there is no disk

present.

2. When the link LED is

lit, there is a disk pre-

sent.

1. When the fault LED is off, the

disk is present and status is

normal.

2. When the fault LED is blinking

(2 times/sec.), the disk drive

has failed and should be hot-

swapped immediately.

3. When the activity LED is lit

and fault LED is fast blinking

(10 times/sec.) there is re-

building activity on that disk

drive.

INSTALLATION

• LCD Panel LED Indicators

There are a variety of status conditions that cause the RAID stor-

age panel monitoring LED to light. The front panel LCD comes

with three (3) status-indicating LEDs. The LEDs on the front

panel are dened, from top to bottom, Power, Busy, and Caution,

as shown in Figure 2-3.

Figure 2-3, LCD Panel LED

The following table provides a summary of the front panel LED.

Panel LED Normal Status Problem Indication

1. Power LED

(Green)

Solid green, when power on. Unlit, when power on.

2. Busy LED

(Amber)

Blinking amber during host ac-

cesses RAID storage.

Unlit or never icker.

3. Caution LED

(Red)

Unlit indicates that the RAID

storage and all its components

are operating correctly.

Solid indicates that one or

more component failure/Ur-

gent events have occurred.

• Rear View Function Description

Thunderbolt 3 Ports: Use the included Thunderbolt 3 cable to

connect to a Thunderbolt 3 port on your computer or other Thun-

derbolt 3 devices. Use the included USB Type-C cable on your

USB-only computer.

Display Port: DisplayPort 1.4 is a digital display interface used

to connect all displays with DisplayPort and Mini DisplayPort.

DisplayPort is backwards compatible with HDMI, DVI, and VGA

interfaces via an adapter (not included).

INSTALLATION

LAN Port: User can remote manage the RAID enclosure without

adding any user specic software (platform independent) via

standard web browsers directly connected to the 10/100Mbit

RJ45 LAN port.

SAS Expansion Port: The ARC-8050T3U-6/6M/12 contains one

expansion port that can connect up to 7 expander enclosures.

The maximum drive no. is 256 through this RAID storage with 7

expander enclosures.

Rest Button: Intelligent power On/Off function on storage turns

power in unison with the host computer power status. You can

press and hold the “Reset Button” for 3 seconds to force the RAID

storage power on or off in case you don’t connect the host.

Power Connector: Use this connector to connect the included

power cord.

XLR Connector: 4-pin XLR on the ARC-8050T3U-6M to accept

alternative power from a 4pin XLR power source

2.4 Setting Up RAID Storage

Setting up your ARC-8050T3U RAID storage involves these main

steps:

• Physically Install the RAID Storage and Drives

• Install the MRAID Software

• Congure RAID Volumes

• Format RAID Volumes

• Unmounting RAID Volumes

Details about these steps are described in the following sections.

2.4.1 Physically Install RAID Storage and Drives

Please follow the steps below in order they are given to ensure

that your ARC-8050T3U connected on your Thunderbolt computer.

INSTALLATION

Figure 2-4-1. Installing 2.5-inch

SAS/SATA Drive

Figure 2-4-2. Installing 3.5-inch

SAS/SATA Drive

Step 1. Install the Drives in the ARC-8050T3U Storage

Your RAID storage supports up to 4/6/8/12 x 3.5-inch disk drives

or 4/6/8/12 x 2.5-inch SAS or SATA 6.0Gb/s drives, each one

contained in its individual hole on the disk carrier. Each drive is

hot-pluggable, allowing you to remove and insert drives without

shutting down your RAID storage. Installation in this section

describes how to install or remove 3.5 inch drives in your RAID

storage.

1. Gently slide the drive tray out from the ARC-8050T3U RAID

storage.

2. Install the drive into the drive tray and secure the drive to the

drive tray by four of the mounting screws.

Figure 2-5, Sliding Drive Tray into Enclosure

3. After all drives are in the drive tray, slide all of them back into

the ARC-8050T3U RAID storage and make sure you latch the

drive trays.

INSTALLATION

Step 2. Connecting Thunderbolt 3 Ports on RAID Storage

Thunderbolt connectors are provided on the back of the ARC-

8050T3U RAID storage for connecting the array to Thunderbolt

host or USB host.

• Thunderbolt Computer Port Connection

There are two Thunderbolt connectors on the rear of ARC-

8050T3U RAID storage for connecting the array to Thunderbolt

host and next Thunderbolt devices. Connect ARC-8050T3U RAID

storage and Thunderbolt capable computer Thunderbolt port

with the Thunderbolt 3 icon using the included Thunderbolt 3

cable as shown below:

Figure 2-6, Connecting to Thunderbolt computer

INSTALLATION

Figure 2-7, Thunderbolt Computer Daisy Chain

Note:

Thunderbolt Daisy Chain Topologies

A single Thunderbolt technology daisy chain can have

seven devices, including the computer. Connect the cable

to one of the interface ports on the back of your ARC-

8050T3U RAID storage and to your Thunderbolt capable

computer. The additional port may be used to daisy chain

compatible computer peripherals, such as hard drives,

monitors, and much more.

INSTALLATION

Figure 2-8, Connecting to computer USB-C port with

the USB 3.2 Gen 1 or USB 3.2 Gen 2 icon

• USB-only Computer Port Connection

Your USB-only computer can recognize up to 1 volume when

connecting any Thunderbolt 3 port on the ARC-8050T3U.

Connect the cable to one of the Thunderbolt 3 ports on the

back of your ARC-8050T3U RAID storage and to your USB-only

capable computer. The additional port can’t support the daisy

chain function.

- Computer with a USB-C port

Connect ARC-8050T3U RAID storage and USB-only computer

USB-C port with the USB 3.2 Gen 1 or USB 3.2 Gen 2 icon

using the included USB-C cable as shown below:

INSTALLATION

- Computer with a USB 3.2 Gen 1 or USB 2.0 port (Type A)

Use the USB 3.2 (USB-C)–to–USB Type A cable for

compatibility with USB-only computers that do not have a

USB-C port. Connect ARC-8050T3U RAID storage and USB-

only computer USB X.X port with the USB 3.2 Gen 1 (USB 3.0)

or USB 2.0 icon using the optional USB 3.2 (USB-C) to USB

Type A cable as shown below:

Figure 2-9, Connecting to computer with a USB 3.2 Gen 1

or USB 2.0 port (Type A)

INSTALLATION

Step 3. Expansion Connection (Optional)

The ARC-8050T3U-6/12 12Gb/s SAS RAID storages contain one

expansion port that can connect up to 7 expander enclosures.

The maximum drive no. is 256 through this RAID storage with

7 expander enclosures. Enclosures installed with SAS disks or

SATA disks can be included in the same daisy-chain. The following

gure shows how to connect the external SFF-8644 cable from

the 12Gb/s SAS RAID storage to the external JBOD. Daisy-chains

longer than the limitation of storages are not supported even if it

may be workable.

Figure 2-10, Module Daisy-chain

The following table is the maximum number of ARC-8050T3U-6/12

RAID storage supported:

Disks/Enclosure Expander Disks/Controller Volume

Max No. 128 7 256 128

Note:

Turn on the JBOD rst to make sure the ARC-8050T3U-6/12

RAID storage recognizes the drives in the JBOD.

INSTALLATION

Step 4. Connecting Monitor Port (Optional)

You can connect LAN port to the manager clinet system, if you

want to congure and manage the RAID storage from the clinet

system through out-of-band manager.

• LAN Port Connection

User can remote manage the RAID enclosure without adding

any user specic software (platform independent) via standard

web browsers directly connected to the 10/100Mbit RJ45 LAN

port. Connect LAN port of the ARC-8050T3U using the included

Ethernet cable and then to a LAN port or LAN switch.

Step 5. Connecting RAID Storage Power

• To power the RAID storage:

1. Using the included power cord, connect this power cord to a

grounded electronical outlet and to the ARC-8050T3U RAID

storage.

2. ARC-8050T3U RAID storage will automatically turn on when

host computer power on status is received from the thun-

derbolt cable. It takes about 30 seconds to fully start up the

RAID storage.

Figure 2-11, Connecting the Power to Enclosure

INSTALLATION

3. ARC-8050T3U RAID storage automatically turns off when the

computer to which it is attached sleeps or is disconnected.

• To power the ARC-8050T3U-6M using 4-Pin XLR D.C.

Power Connections:

There is an industry standard 4-pin XLR on the ARC-8050T3U-

6M to accept alternative power from a 4pin XLR power source

(use battery power or supplied AC Adapter). There is no univer-

sal standard for this, however the most common convention for

DC power on ARC-8050T3U-6M XLR 4-pin connectors is:

pin 1 GND (0V)

pin 2 NC

pin 3 NC

pin 4 EXT DC (+11.5~15.5V)

The connector on ARC-8050T3U-6M is male. Check and double

check that the wiring is correct to your equipment before con-

necting DC power source to ARC-8050T3U-6M.

Note:

You can press and hold the “Reset” button for 3 seconds to

force the RAID storage power on or off.

When you are nished installing the ARC-8050T3U RAID storage,

you can set up the RAID volume using McRAID storage manager

or LCD to set up RAID volumes.

INSTALLATION

2.4.2 Mac Users

2.4.2.1 Install Areca driver for Mac

On November 10, 2020, Apple revealed new Mac hardware with

the revolutionary Apple Silicon M1 processors. Since external

boot via 3rd party drivers is not allowed on Apple Silicon based

Macs, the default Areca driver doesn’t work on new M1 Mac,

only for Intel-based Macs.

The macOS 11 had not been integrated any universal KEXTs into

macOS, which means that users need to install universal KEXT

to support Areca Thunderbolt devices on Apple Silicon. Areca

universal KEXT’s on Apple Silicon can be installed in /Library/

Extensions/, even if Areca RAID storage x86-only versions

persists on the system in /System/Library/Extensions/. In order

to use 3rd party kernel extensions on Apple Silicon Macs, users

must enable system extensions by changing their Mac’s Security

Policy to Reduced Security and allow user management of kernel

extensions from identied developers.

* If your mac version is below 11.0, you can skip this step

Step 1. Start up your computer in macOS Recovery

(1-1). Choose “Shut Down”.

(1-2). Press and hold the power button on your Mac until you

see “Loading startup options”.

INSTALLATION

(1-3). Click “ ”, then click “ ”. If requested, en-Options Continue

ter the password for an administrator account.

(1-4). In the Recovery app, choose > Utilities Startup Secu-

rity Utility.

INSTALLATION

(1-5). Select the system you want to use to set the security

policy and click “ ”. If the disk is encrypt-Security Policy

ed with FileVault, click Unlock, enter the password and

then click Unlock.

(1-6). Choose “ ” and enable “Allow user manReduced Security -

agement of kernel extensions from identied developers”.

(1-7). Click “ -OK” and conrm the action by entering your ad

ministrator credentials.

(1-8). Restart your Mac for the changes to take effect.

INSTALLATION

Step 2. Installing Areca driver

(2-1) Download the driver from Areca website: https://www..

areca.com.tw/support/downloads.html

(2-2) Double-click [ArcMSRu.pkg] in the mounted disk image to .

start.

Follow the installer on-screen steps to complete the installation.

(2-3) When Areca installation shows successful, system will pop .

the following “System Extension Updated” warning mes-

sage: A program tried to load new system extension(s)

signed by “ Areca Technology corporation” but your se-

curity setting do not allow system extensions. To enable

them, choose the “ ” to allow Open Security Preferences

system extension.

INSTALLATION

(2-5) On Security & Privacy’s General page.

• Make sure the message “System software from developer

“Areca Technology Corporation” was blocked from loading.”

• Make the setting to allow loading the driver. To unlock a

preference pane, click the key icon at the lower left of the

“Security & Privacy” screen. You are prompted to enter the

password for the administrator account. Enter the informa-

tion for “ ” and “ ,” then click “User Name Password OK”.

(2-6) Make sure “Areca Technology Corporation” is displayed as .

the developer and click “Allow”.

* This message about being blocked is only displayed for only 30

minutes after installing the driver. When 30 minutes have passed

after installing, the message is no longer displayed.

* In the following condition, no message is displayed. Loading of

the driver is permitted.

INSTALLATION

• When a driver that has previously been allowed is reinstalled

again.

• When you’re using a Mac on which the driver was installed before

now updating to macOS 11

A message prompting you to restart appears. Click “Restart”.

This completes installation of the driver.

INSTALLATION

2.4.2.2 Install the MRAID Utility

This section describes detailed instructions for installing the

Areca Mac utility on your Apple Thunderbolt capable machine.

You must have administrative level permissions to install macOS

utility. This can be done in just a few steps!

1. Download the install-mraid installer from the website at

“ ”, the https://www.areca.com.tw/support/downloads.html

le name begins with “install-mraid” followed by the version

control.

2. Navigate to your Downloads folder and double-click the

install-mraid software. The Installer will open.

3. Click on the " " button to begin the installation. Continue

INSTALLATION

4. If you have no need to change the install location or select to

install special components, you can skip the step 4-1 and

step 4-2, just click on the " " button to continue the Install

standard (default) installation procedure.

4-1. Click on the " " button to select Change Install Location

the disk where you want to install the MRAID software.

INSTALLATION

• MRAID is included below two applications for the

ARC-8050T3U RAID storage.

- ArcHTTP has to be installed for GUI RAID console (McRAID

storage manager) to run. It also runs as a service or

daemon in the background that allows capturing of

events for mail and SNMP traps notication. Refer to

the chapter 3 ArcHTTP Conguration on ARC-8050T3U

user manual, for details about the mail and SNMP traps

conguration.

- provides the functionality CLI (Command Line Interface)

available in MRAID storage manager through a Command

Line Interface. You can set up and manage RAID storage

inline. CLI performs many tasks at the command line. You

can download CLI manual from Areca website.

4-2, Click on the " " button to choose special Customize

components. Click on an icon to install special

components and click the “Install” button to continue.

INSTALLATION

• ArcHTTP64 is required for ArcHTTP runing as a service or

daemon, and have it automatically start the proxy for all

controllers found.

5. Enter your system password and click the “ ” Install Software

button.

6. The system will need to be restarted when the installation is

complete. Click “ ” button.Continue Installation

INSTALLATION

7. A program bar appears that measures the progress of the

driver installation.

8. When this screen shows, you have completed the installation

and click on the " " button to reboot your computer Restart

in order to complete installation.

INSTALLATION

9. There is a MRAID folder icon showing on your desktop. The

folder contains two items (ArcCLI64 and ArcHTTP64) that are

for you to launch the MRAID storage manager.

If you have not yet installed the hardware, please follow the

“2.4.1 Physically Install RAID Storage and Drives” section

to install it. Otherwise, to begin the creation volume, go on

the“2.4.2.3 Congure RAID Volumes” section to congure the

volume.

2.4.2.3 Congure RAID Volumes

There are often multiple ways to accomplish the same congura-

tion and maintenance tasks for your RAID storage. Your ARC-

8050T3U RAID storage can be congured by one of the following

methods:

1. McRAID Storage Manager from ArcHTTP. (Thunderbolt port)

2. McRAID Storage Manager Through LAN port.

3. LCD Panel with Keypad.

• Method 1: McRAID Storage Manager From ArcHTTP

Start McRAID Storage Manager – Browser Edition

There is one “ ” icon showing on your desktop. Double-MRAID

click on the “ ” icon to locate your ArcHTTP utility and MRAID

CLI program le folder.

INSTALLATION

When you double-click on the “ ”, it shows all RAID ArcHTTP64

storages available on the system and create an individual

RAID storage icon located on left column of the “ArcHTTP Con-

gurations” screen.

Locate “ARC-8050T3U Web Management” and launch the

selected McRAID storage manager. Enter RAID storage default

User Name “admin” and the Password “ ” when the login 0000

page prompted for it. After logging in, the McRAID storage

manager process starts.

INSTALLATION

Click on the “Quick Create” in the main menu, your volume is

automatically congured based on the number of disks in your

system. You can create a RAID set associated with exactly one

volume set. The user can change the Raid Level, Capacity,

Initialization Mode, and Stripe Size. A hot spare option is also

created, depending on the exist conguration. Tick on the

“Conrm The Operation” check box and click on the “Submit”

button, the RAID set and volume set will start to initialize. If

you prefer to customize your volume set, please use the “Raid

Set Functions” and “Volume Set Functions”. See chapter 4 of

ARC-8050T3U user manual for information on customizing

your RAID volumes using McRAID storage manager. Other-

wise, to begin using the ARC-8050T3U right away, go on the

next “Format the Volume” section to begin the formatting

procedure.

• Method 2: McRAID Storage Manager Through LAN port

User can remote manage the RAID storage directly connected

to the 10/100Mbits RJ45 LAN port via standard web browsers.

To congure ARC-8050T3U RAID storage using a LAN port,

you need to know its IP address. The default IP address will

be shown on the LCD initial screen. Launch your web browser-

based McRAID storage manager by entering http://[IP Ad-

dress] in the web browser. Enter RAID storage default User

Name “ ” and the Password “ ” when the login page admin 0000

prompted for it. After logging in, the McRAID storage man-

ager process starts. Follow the on-screen steps, responding as

needed, to congure RAID volume. See the Chapter 4 of ARC-

8050T3U user manual for information on customizing your

RAID volumes using McRAID storage manager.

• Method 3: LCD Panel with Keypad

You can use LCD front panel and keypad function to simply

create the RAID volume. The LCD status panel also informs

you of the disk array’s current operating status at a glance.

The LCD conguration is described in a separate manual:

ARC-8050T3_LCD manual. You can download ARC-1009 (LCD

Manual) from Areca website. The LCD provides a system

of screens with areas for information, status indication, or

menus. The LCD screen displays up to two lines at a time of

menu items or other information. ARC-8050T3U RAID storage

default User Name is “admin” and the Password is “0000”.

INSTALLATION

2.4.2.4 Format and Partition RAID Volumes

After the volume set is ready for system accesses, it needs to be

partitioned, formatted, and mounted by the operating system.

When you create a volume through McRAID storage manager,

the macOS recognizes that a new disk is avail, and displays a

message asking what you next want to do. If the message does

not show up, start the “Disk Utility” manually from the “Finder”,

use the “Go” menu and open the “Utilities” folder. Double-click

on the “Disk Utility” program.

To format and partition your unit

1. Formatting a drive in Disk Utility is easy, though Disk Utility

uses a different term: Erase. When the Disk Utility window

opens, nd and select the desired drive in the sidebar that

represents your RAID storage. This is how you prepare to

erase and format the RAID storage.

The LCD initial screen is shown below:

INSTALLATION

Choose OS X Extended (Journaled) for the Format, and,

for the Scheme, choose GUID Partition Map. You could also

choose MS-DOS as the format, if you want to be able to use

the drive on both a Mac and a PC. In that case, choose Mas-

ter Boot Record for the Scheme. Click “ ” button in the Erase

toolbar, and Disk Utility will erase and format the RAID stor-

age. When it is complete, icons for this partition shows up on

your desktop. It is now ready to use.

2. You may want to divide a drive into more than one partition.

When you do this, each partition is a volume, and each vol-

ume shows up as a separate drive on your Desktop. To parti-

tion a drive, select it in Disk Utility, and then click “Partition”

in the toolbar. Disk Utility shows the RAID storage’s space as

a pie chart. By default, RAID storage only contain a single

partition, but to add one, click the + icon; you’ll see two par-

titions.

If you want to adjust their sizes, you can do so by dragging

the circles dividing the partitions, or by typing a size into the

Size eld. When you click “ ”, Disk Utility erases the Apply

RAID storage and splits it into the number of partitions you

have selected. Each partition will appear as a separate drive

on your Desktop.

INSTALLATION

When a message asks you to conrm you want to partition

the disk, click on the “ ” button. This may take a Partition

couple of minutes, depending on the size of the drives in your

RAID storage. When the partitioning is complete, icons for

each new partition show up on your desktop. They are now

ready to use.

2.4.2.5 Make A Bootable RAID Volume

You can follow the following procedures to add ARC-8050T3U

RAID volume on Intel-based Mac bootable device listing.

1. Set the BIOS selection in System Controls: Advance Congu-

ration to “UEFI” option for Intel-based Mac boot.

2. Download macOS Sierra and follow the https://support.apple.

com/en-us/HT202796 link “How to set up and use an external

Mac startup disk”.

3. Mac doesn’t see devices that have Option ROM rmware until

you load the rmware by pressing “Option-Shift-Command-

Period” at the Startup Manager window.

4. Do this each time you want to start up from ARC-8050T3U.

2.4.2.6 Unmounting RAID Volumes

To avoid possible data corruption, Areca recommends that ARC-

8050T3U RAID storages volume(s) be properly unmounted from

the computer prior to turning off the RAID storage or safely

removing the Thunderbolt interface cable.

1. Drag RAID storage volume(s) icon to the trash. The Trash will

turn into an Eject arrow. This will assure that all data is

properly cleared from the system memory before the volume

is removed.

2. When the volume icon disappears from the desktop, RAID

storage can be disconnected from the computer.

INSTALLATION

2.4.3 Windows Users

2.4.3.1 Install the Thunderbolt Software

This section describes how to install the Thunderbolt software to

your operating system. The software installation includes device

driver, ArcHTTP and CLI utility.

In this scenario, you are installing the Thunderbolt software in

an existing Windows system. You can use the installer to install

driver, ArcHTTP and CLI at once or “Custom” to install special

components. Follow the steps below to install the driver & utility

for Windows.

1. Download the install_thunderbolt installer from the website

at " ", the https://www.areca.com.tw/support/downloads.html

le name begins with “install_thunderbolt” followed by the

version control.

2. Double-click on the zipped le that comes from the website

to unzip it. Double-click on the "setup.exe" le for installing

thunderbolt software.

3. The screen shows Preparing to Install.

4. The Thunderbolt Installer (or InstallShield Wizard) opens, pre-

paring to install and click on the “ ” button to continue.Next

INSTALLATION

5. When the License Agreement screen appears, read and agree

to the license information; then let the InstallShield Wizard

guide you through the installation process.

6. On the Setup Type screen, use the settings to specify these

things: and click on the “ ” button to continue.Next

INSTALLATION

• “Complete” to install driver, ArcHTTP and CLI utility at once,

check the rst box.

• “Custom” to install special components and change the pro-

gram directory. When this “ ” check box is checked, go Custom

to the Custom Setup screen.

6-1. On the Custom Setup screen, click on an icon to install

special components and click on the “ ” button to Next

continue.

• Driver is required for the operating system to be able to inter-

act with the ARC-8050T3U RAID storage.

• has to be installed for GUI RAID console (McRAID ArcHTTP

storage manager) to run. It also runs as a service or daemon

in the background that allows capturing of events for mail and

SNMP traps notication. Refer to the chapter 3 ArcHTTP Con-

guration on ARC-8050T3U user manual, for details about the

mail and SNMP traps conguration.

• CLI (Command Line Interface) provides the functionality

available in MRAID storage manager through a Command Line

Interface. You can set up and manage RAID storage inline. CLI

performs many tasks at the command line. You can download

CLI manual from Areca website.

INSTALLATION

7. When you reach the installation page, click on the “ ” Install

button to continue.

8. A program bar appears that measures the progress of the

driver installation.

When this screen completes, you have completed the MRAID

installation. If you have no ARC-8050T3U RAID storage unit yet

connected or powered on, a “MRAID Installer Information”

message displays.

9. After installation is complete, click on the “ ” button to Finish

exit the InstallShield Wizard.

INSTALLATION

Note:

“For Windows, Install Driver First”

For Windows PC: the Thunderbolt certied device driver

must be installed before plugging in the device for it to

function properly.

10. The ArcHTTP and CLI are installed at the same time on ARC-

8050T3. Once ArcHTTP and CLI have been installed, the Arc-

HTTP background task automatically starts each time when

you start your computer. There is one MRAID icon showing

on your “Programs” folder. This icon is for you to start up

the McRAID storage manager (by ArcHTTP) and CLI utility. If

you have not yet installed the hardware, please follow the

“2.4.1 Physically Install RAID Storage and Drives” section to

install it. Otherwise, to begin the creation volume, go on the

“2.4.3.2 Congure RAID Volumes” section to congure the

volume.

2.4.3.2 Congure RAID Volumes

There are often multiple ways to accomplish the same congura-

tion and maintenance tasks for your RAID storage. Your ARC-

8050T3U RAID storage can be congured by one of the following

methods:

1. McRAID Storage Manager from ArcHTTP. (Thunderbolt port)

2. McRAID Storage Manager Through LAN port.

3. LCD Panel with Keypad.

INSTALLATION

• Method 1: McRAID Storage Manager From ArcHTTP

Start McRAID Storage Manager – Browser Edition

The “ ” icon shows on the button of ArcHTTP Taskbar

system tray by default. Double click “ArcHTTP Taskbar” to

launch the ArcHTTP Conguration screen. It automatically

scans the localhost RAID units on the system and creates an

individual RAID storage icon located in the left column screen.

When you double click on a selected element the left col-

umn screen, child element belonged parent element appears.

Locate “ARC-8050T3U Web Management” and launch the

McRAID storage manager.

Locate “ARC-8050T3U Web Management” and launch the

selected McRAID storage manager. Enter RAID storage default

User Name “admin” and the Password “ ” when the login 0000

page prompted for it. After logging in, the McRAID storage

manager process starts.

INSTALLATION

Click on the “Quick Create” in the main menu, your volume is

automatically congured based on the number of disks in your

system. You can create a RAID set associated with exactly one

volume set. The user can change the Raid Level, Capacity,

Initialization Mode, and Stripe Size. A hot spare option is also

created, depending on the exist conguration. Tick on the

“Conrm The Operation” check box and click on the “Submit”

button, the RAID set and volume set will start to initialize. If

you prefer to customize your volume set, please use the “Raid

Set Functions” and “Volume Set Functions”. See chapter 4 of

ARC-8050T3U user manual for information on customizing

your RAID volumes using McRAID storage manager. Other-

wise, to begin using the ARC-8050T3U right away, go on the

next “Format the Volume” section to begin the formatting

procedure.

• Method 2: McRAID Storage Manager Through LAN port

User can remote manage the RAID storage directly connected

to the 10/100Mbits RJ45 LAN port via standard web browsers.

To congure ARC-8050T3U RAID storage using a LAN port,

you need to know its IP address. The default IP address will

be shown on the LCD initial screen. Launch your web browser-

based McRAID storage manager by entering http://[IP Ad-

dress] in the web browser. Enter RAID storage default User

Name “ ” and the Password “ ” when the login page admin 0000

prompted for it. After logging in, the McRAID storage man-

ager process starts. Follow the on-screen steps, responding as

needed, to congure RAID volume. See the Chapter 4 of ARC-

8050T3U user manual for information on customizing your

RAID volumes using McRAID storage manager.

• Method 3: LCD Panel with Keypad

You can use LCD front panel and keypad function to simply

create the RAID volume. The LCD status panel also informs

you of the disk array’s current operating status at a glance.

The LCD conguration is described in a separate manual:

ARC-8050T3_LCD manual. You can download ARC-1009 (LCD

Manual) from Areca website. The LCD provides a system

of screens with areas for information, status indication, or

menus. The LCD screen displays up to two lines at a time of

menu items or other information. ARC-8050T3U RAID storage

default User Name is “admin” and the Password is “0000”.

INSTALLATION

The LCD initial screen is shown below:

2.4.3.3 Format RAID Volumes

After the volume set is ready for system accesses, it needs to be

partitioned, formatted, and mounted by the operating system.

The following steps show how to make any new disk arrays or

independent disks accessible to Windows system.

1. Click “Start” ==> right-click “Computer” and select “Manage”.

2. Click “Disk Management” in the left pane.

3. Scroll down to the bottom of the middle pane. Windows will

display a list of new drives attached to your system with a

label such as “Disk 1” or “Disk 2”, etc.

4. Right-click on the drive you want to partition and then again

to format it.

5. Once it’s formatted, Windows automatically assigns the next

available drive letter to it and then it will appear in Windows

Explorer.

2.4.3.4 Unmounting RAID Volumes

To avoid possible data corruption, Areca recommends that ARC-

8050T3U RAID storages volume(s) be properly unmounted from

the computer prior to turning off the RAID storage or safely

removing the Thunderbolt interface cable.

INSTALLATION

Note:

You can also safely remove devices from the computer folder.

Click the "Start" button, click "Computer", right-click the

device you want to remove, and then click "Eject".

2. Windows will display a notication telling you it's safe to

remove the Thunderbolt storage volume. Now you can unplug

.the Thunderbolt cable

To unmount ARC-8050T3U RAID storage from a Windows

system:

1. Click on the "Safely Remove Hardware and Eject Media" icon

in the notication area, at the lower right-hand side of your

screen, and then, in the list of devices, choose the Thunder-

bolt storage volume option that you want to remove.

ArcHTTP Conguration

3. ArcHTTP Conguration

This chapter describes how to congure the “System Function” of

ArcHTTP. The ArcHTTP proxy utility runs as a service or daemon, and

has it automatically start the proxy for all RAID storages found. This

way the RAID storage can be managed remotely without having to

Start ArcHTTP– Browser Edition:

1. In Windows, right-click on “Start” menu and choose “Programs”.

Clicking “MRAID” program icon starts the ArcHTTP utility

(From the Start menu, choose Programs > MRAID > ArcHTTP).

2. On a Mac, there is one MARID icon showing on your desktop.

This icon is for you to start up the ArcHTTP utility.

When you click the ArcHTTP, it shows all RAID storages available on

the system and “System Function” on left column of the “ArcHTTP

Congurations” screen. The ArcHTTP has also integrated the email

notication and SNMP function for user to send SNMP traps and e-mail

notications. ArcHTTP conguration setting will store on a le name

“ArcHTTPSrv.conf”.

• General Conguration

Binding IP: Restrict ArcHTTP proxy server to bind only single

interface (If more than one physical network in the server).

HTTP Port#: Value 1~65535.

Display HTTP Connection Information To Console: Select “Yes" to

show Http send bytes and receive bytes information in the console.

Scanning PCI Device: Select “Yes” for ARC-8050T3U RAID storage

unit.

Scanning RS-232 Device: No.

Scanning Inband Device: No.

ArcHTTP Conguration

• Mail (Alert by Mail) Conguration

Many users require that email notications be sent to the

appropriate administrators when an alert is detected. To set up your

mail servers, click on the the “Mail Conguration” link. The “SMTP

Server Congurations” allows you to dene settings for your mail

server. This setup screen is shown as below:

1. SMTP Server Conguration

SMTP Server IP Address: Enter the SMTP server IP address which

is not McRAID storage manager IP.

Ex: 192.168.0.2.

ArcHTTP Conguration

2. Mail Address Congurations

Sender Name: Enter the sender name that will be shown in the

outgoing mail.

Ex: RaidController_1.

Mail address: Enter the sender email that will be shown in the

outgoing mail, but don’t type IP to replace domain name.

Ex: RaidController_1@areca.com.tw.

Account: Enter the valid account if your SMTP mail server

requires authentication.

Password: Enter the valid password if your SMTP mail server

requires authentication.

3. Event Notication Congurations

This step involves setting up of notication rules. Notication

rules instruct ArcHTTP on the notications that should be sent

when certain types of alerts are detected.

MailTo Name: Enter the alert receiver name that will be shown in

the outgoing mail.

Mail Address: Enter the receiver's e-mail address. This is the

address you want the e-mail alerts sent to.

Ex: admin@areca.com.tw.

According to your requirement, set the corresponding event level:

Disable Event Notication: No event notication will be sent.

Urgent Error Notication: Send only urgent events.

Serious Error Notication: Send urgent and serious events.

Warning Error Notication: Send urgent, serious and warning

events.

Information Notication: Send all events.

Notication For No Event: Notify user if no event occurs within 24

hours.

• SNMP Traps Conguration

To enable the RAID storage to send the SNMP traps to client SNMP

manager using the IP address assigned to the operating system,

such as Net-SNMP manager, you can simply use the SNMP function

on the ArcHTTP proxy server software. To enable the RAID storage

SNMP traps sending function, click on the “SNMP Conguration” link.

The ArcHTTP proxy only provide one direction to send the trap to

the SNMP manager without needing to install the SNMP extension

ArcHTTP Conguration

agent on the host. If SNMP manager requests to query the SNMP

information from RAID storage, please refer the Appendix C "SNMP

Operation & Installation". The “SNMP traps Conguration” menu will

show as following:

When you open the SNMP traps conguration page, you will see the

following settings:

1. SNMP Trap Congurations

Enter the SNMP trap IP address.

2. SNMP System Congurations

Community name acts as a password to screen accesses to the

SNMP agent of a particular network device. Type the community

names of the SNMP agent in this eld. Before access is granted

to a request station, this station must incorporate a valid

community name into its request; otherwise, the SNMP agent will

deny access to the system. Most network devices use “public” as

default of their community names. This value is case-sensitive.

3. SNMP Trap Notication Congurations

Before the client side SNMP manager application accepts the

RAID storage traps, it is necessary to integrate the MIB into the

management application’s database of events and status indicator

codes. This process is known as compiling the MIB into the

application. This process is highly vendor-specic and should be

well-covered in the User’s Guide of your SNMP application. Ensure

the compilation process successfully integrates the contents of

the areca_sas.mib le into the traps database. Please refer to Ap-

pendix C of “SNMP Operation & Installation”. The MIBs le resides

at: <CD-ROM>\packages\SNMP_MIBs on the software CD.

ArcHTTP Conguration

• Rescan Device Conguration

Let’s assume you’ve put all Areca RAID storages to a system. The

ArcHTTP scans the RAID storages on the system and create an

individual RAID storage icon located on left column of the "ArcHTTP

Congurations" screen. This adapter icon is for user to launch web

browser RAID manager. If there is any RAID storage missed on the

system start-up, you can use the "Rescan Device" function. The

"Rescan Device" function is a procedure which forces the ArcHTTP to

rescan the targets to allow a missed RAID storage to be added.

• Collect Support Data

Areca has added the “Collect Support Data” option on the ArcHTTP

utility to download a support le (le name:ctlrxx-xxxxx.log) with

all necessary information (system information, conguration, disk

information, eventlog). The “Collect Support Data” function will be

automatically started when ERROR or SERIOUS event occurred.”

Note:

Event Notication Table refer to Appendix D.

After you conrm and submit congurations, you can use

"Generate Test Event" feature to make sure these settings are

correct.

WEB BROWSER-BASED CONFIGURATION

4. Web Browser-based Conguration

If you need to use a RAID volume from ARC-8050T3U RAID storage

unit, you must rst create a RAID volume by using LCD or McRAID

storage manager. This chapter shows you how to set up RAID volumes

using the McRAID storage manager application on a computer with an

ARC-8050T3U RAID storage.

The McRAID storage manager is rmware-based utility, which is acces-

sible via the web browser installed on your operating system. The web

browser-based McRAID storage manager is a HTML-based application,

which utilizes the browser (Safari, IE and Mozilla etc) installed on your

monitor station. It can be accessed through the in-band Thunderbolt

bus or out-of-band onboard LAN port. The in-band-Thunderbolt bus

method can launch the web browser-based McRAID storage manager

via ArcHTTP proxy server.

The rmware-embedded web browser-based McRAID storage manager

allows local or remote to access it from any standard internet browser.

The rmware-embedded SMTP manager monitors all system events

and user can select either single or multiple user notications to be

sent with “Plain English” e-mails. The rmware-embedded SNMP agent

allows remote to monitor events with no SNMP agent required. the Use

McRAID storage manager to:

• Create RAID set

• Expand RAID set

• Dene volume set

• Add physical drive

• Modify volume set

• Modify RAID level/stripe size

• Dene pass-through disk drives

• Modify system function

• Update rmware

• Designate drives as hot spares

WEB BROWSER-BASED CONFIGURATION

4.1 Start-up McRAID Storage Manager

With McRAID Storage Manager, you can:

• Locally manage a system containing a supported RAID storage

that has Windows or macOS, ArcHTTP and a supported

browser.

• Remote and managed systems must have a TCP/IP connection.

• McRAID Storage Manager from Local Administration

(In-Band)

Once ArcHTTP and CLI have been installed, the ArcHTTP - back

ground task automatically starts each time when you start your

computer. There is one MARID icon showing on Mac “Desktop”

or one “ ” icon showing on Windows ArcHTTP Taskbar

system tray. This icon is for you to start up the ArcHTTP (launch

the McRAID storage manager). When you click on the

ArcHTTP64 from MRAID or “ ” from system ArcHTTP Taskbar

tray, it shows all RAID controllers available on the host system

and create an individual RAID controller icon located on left

column of the “ArcHTTP Congurations” screen. This RAID con-

troller icon is for user to launch the selected RAID controller

web browser McRAID storage manager.

The “Enter Network Password” dialog screen appears, type the

User Name and Password. The RAID controller default User

Name is “admin” and the Password is “0000”. After entering

the user name and password, press key to access the Enter

McRAID storage manager.

WEB BROWSER-BASED CONFIGURATION

• McRAID Storage Manager Through LAN Port

(Out-of-Band)

ARC-8050T3U RAID storage also offers an alternative out-of-

band method for McRAID storage manager. User can access the

built-in conguration without running the ArcHTTP proxy server

on the host system. The web browser-based McRAID storage

manager is a HTML-based application, which utilizes the brows-

er installed on your remote system. To ensure proper commu-

nications between the Thunderbolt RAID storage and McRAID

storage manager, please connect the Thunderbolt RAID storage

LAN port to any LAN switch port.

The RAID storage has embedded the TCP/IP & web browser-

based McRAID storage manager in the rmware. User can re-

mote manage the Thunderbolt RAID storage without adding any

user specic software (platform independent) via standard web

browsers directly connected to the 10/100Mbit RJ45 LAN port.

To congure Thunderbolt RAID storage on a remote machine,

you need to know its IP address. The IP address is default

shown on the LCD initial start-up screen. Launch your McRAID

storage manager by entering http://[IP Address] in the web

browser.

4.2 McRAID Main Window

The following login screen is displayed in the browser. This screen

displays the initial start-up conguration.

The RaidSet Hierarchy displays the “Raid Set List”, “Volume Set

List”, and “Physical Disk List”. The RAID set information, volume

set information, and drive information can also be viewed by

clicking on the “RAID Set Hierarchy”on the main menu screen.

WEB BROWSER-BASED CONFIGURATION

• To display RAID set information, move the mouse cursor to the

desired RAID set number, then click on it. The RAID set infor-

mation will be displayed.

• To display volume set information, move the mouse cursor to

the desired volume set number, then click it. The volume set

information will be displayed.

• To display drive information, move the mouse cursor to the

desired physical drive number, then click it. The drive informa-

tion will be displayed.

4.3 Main Menu

The main menu shows all available functions, accessible by clicking

on the appropriate link.

Individual Category Description

Quick Function Create a default conguration, which is based on the

number of physical disks installed; it can modify the

volume set Capacity, Raid Level, and Stripe Size.

Raid Set Functions Create a customized RAID set.

Volume Set Functions Create customized volume sets and modify the ex-

isted volume sets parameter.

Physical Drives Create pass through disks and modify the existing

pass through drives parameters. Also provides the

function to identify disk drives (blinking fault LED).

System Controls Setting the RAID system conguration.

Information Viewing the controller information. The Raid Set Hier-

archy can be viewed through the “Raid Set Hierarchy”

item.

4.4 Quick Function

The Quick Create option congures the arrays with just a few

steps. Although srives of different sizes may be used in the array,

Quick Create will only operate upon drives of the same physical

size.

The number of physical drives in the RAID storage determines the

Raid Levels that can be implemented with the RAID set. You can

WEB BROWSER-BASED CONFIGURATION

create a RAID set associated with exactly one volume set. The user

can change the Raid Level, Capacity, Initialization Mode, and Stripe

Size. A hot spare option is also created, depending on the exist

conguration. Tick on the “Conrm The Operation” check box and

click on the “Submit” button in the “Quick Create” screen, the RAID

set and volume set will start to initialize.

4.5 Raid Set Functions

Use the “Raid Set Function” and “Volume Set Function” if you prefer

to customize your volume set. Manual conguration can provide full

control of the RAID set settings, but it will take longer to complete

than the “Quick Volume/Raid Setup” conguration. Select the “Raid

Set Function” to manually congure the RAID set for the rst time

or delete and recongure existing RAID sets. (A RAID set is a group

of disks containing one or more volume sets.)

4.5.1 Create Raid Set

To create a RAID set, click on the “Create Raid Set” link. A “Select

The Drive For Raid Set” screen is displayed showing the drive(s)

connected to the current controller and enclosures. Click on the

selected physical drives within the current RAID set. Enter 1 to 15

Note:

In “Quick Create”, your volume set is automatically congured

based on the number of disks in your system. Use the “Raid

Set Functions” and “Volume Set Functions” if you prefer to

customize your volume set, or RAID 30/50/60 volume set.

WEB BROWSER-BASED CONFIGURATION

Note:

To create RAID 30/50/60 volume, you need create multiple

RAID sets rstly with the same disk numbers on each RAID

set.

alphanumeric characters to dene a unique identier for a RAID

set. The default RAID set name will always appear as “Raid Set

#”.

Tick on the “Conrm The Operation” check box and click on the

“Submit” button on the screen; the RAID set will start to initialize.

If you have available disk member, you can repeat above proce-

dures to dene another RAID sets. The “Max 128 volumes” is the

default mode for SAS RAID storage. The “Max 16 volumes” mode

is used for support roaming this raidset to Areca SATA RAID con-

trollers. The SATA RAID controller is designed to support up to 16

volumes only. You have to use “Max 16 volumes” on the raidset

mode if you plan to roam this raidset between SAS RAID control-

ler and SATA RAID controller.

4.5.2 Delete Raid Set

To delete a RAID set, click on the “Deleted Raid Set” link. A

“Select The Raid Set To Delete” screen is displayed showing all

exist RAID sets in the current controller. Click the RAID set num-

ber which you want to delete in the select column on the delete

screen. Then, tick on the “Conrm The Operation” check box and

click on the “Submit” button in the screen to delete it. The volume

sets included in the “Delete RAID Set”. It will be deleted by this

action. But for the Raid 30/50/60, you need to delete the volumes

belonging to those RAID sets.

WEB BROWSER-BASED CONFIGURATION

Note:

1. Once the “Expand Raid Set” process has started, user can

not stop it. The process must be completed.

2. If a disk drive fails during RAID set expansion and a hot

spare is available, an auto rebuild operation will occur

after the RAID set expansion completes.

3. RAID 30/50/60 does not support the "Expand Raid set".

4. RAID set expansion is a quite critical process, we strongly

recommend customer backup data before expand. Unex-

pected accident may cause serious data corruption.

4.5.4 Ofine Raid Set

This function is for customer being able to unmount and remount

a multi-disk volume. All Hdds of the selected RAID set will be put

into ofine state, spun down and fault LED in fast blinking mode.

User can remove those Hdds and insert new Hdds on those empty

slots without needing power down the controller to perform the

online array roaming.

4.5.5 Rename Raid Set

The default RAID set name will always appear as “Raid Set #”

when it is rst created by the controller. The "Rename Raid Set"

function is for customer to rename the default RAID set name.

To rename a RAID set from a group of RAID sets:

1. Click on the ”Rename Raid Set" link.

2. Click the RAID set check box from the list that you wish to re-

name. Click the “Submit” button. The following screen appears.

Use this option to rename the RAID set name.

WEB BROWSER-BASED CONFIGURATION

4.5.6 Activate Incomplete Raid Set

If one of the disk drives is removed in power off state, the RAID

set state will change to “Incomplete State”. If the user wants to

continue to operate the controller without power-off the RAID

storage, the user can use the “Activate Incomplete Raid Set” op-

tion to active the RAID set. After the user completes this function,

the Raid State will change to “Degraded Mode” and start to work.

To activate the incomplete the RAID set, click on the “Activate

Raid Set” link. A “Select The Raid Set To Activate” screen is dis-

played showing all RAID sets existing on the current controller.

Click the RAID set number to activate in the select column. Click

on the “Submit” button on the screen to activate the RAID set

that had a disk removed (or failed) in the power off state. The

RAID storage will continue to work in degraded mode.

4.5.7 Create Hot Spare

When you choose the “Create Hot Spare” option in the “Raid Set

Function”, all unused physical devices connected to the current

controller appear. Select the target disk by clicking on the ap-

propriate check box. Tick on the “Conrm The Operation” check

box and click the “Submit” button in the screen to create the hot

spares.

WEB BROWSER-BASED CONFIGURATION

The “Create Hot Spare” gives you the ability to dene a global or

dedicated hot spare. Firmware default (“Global For SSD or HDD”)

only uses SSD to rebuild SSD array or HDD to rebuild HDD array.

If you want rebuild a SSD array with a HDD, please congure the

HDD as hotspare disk for both HDD and SSD (“Global For All”) to

activate the rebuilding of the new array. “Dedicated to RaidSet”

and “Dedicated to Enclosure” can only be used with a specic

RAID set or Enclosure. When a disk drive fails in the RAID set or

enclosure with a dedicated hot spare is pre-set, data on the disk

drive is rebuild automatically on the dedicated hot spare disk.

4.5.8 Delete Hot Spare

Select the target hot spare disk to delete by clicking on the ap-

propriate check box. Tick on the “Conrm The Operation” check

box and click the “Submit” button on the screen to delete the hot

spares.

4.5.9 Rescue Raid Set

When the system is powered off in the RAID set update/creation

period, the conguration possibly could disappear due to this

abnormal condition. The “RESCUE” function can recover the miss-

ing RAID set information. The RAID storage uses the time as the

RAID set signature. The RAID set may have different time after

the RAID set is recovered. The “SIGANT” function can regenerate

the signature for the RAID set.

WEB BROWSER-BASED CONFIGURATION

Caution:

Please contact us to make sure if you need to use rescue

function. Improperly usage may cause conguration

corruption.

WEB BROWSER-BASED CONFIGURATION

4.6 Volume Set Functions

A volume set is seen by the host system as a single logical device.

It is organized in a RAID level with one or more physical disks.

RAID level refers to the level of data performance and protection of

a volume set. A volume set capacity can consume all or a portion

of the disk capacity available in a RAID set. Multiple volume sets

can exist on a group of disks in a RAID set. Additional volume sets

created in a specied RAID set will reside on all the physical disks

in the RAID set. Thus each volume set on the RAID set will have its

data spread evenly across all the disks in the RAID set.

The following is the volume set features for the RAID storage.

1. Volume sets of different RAID levels may coexist on the same

RAID set and up to 128 volume sets per controller.

2. Up to 128 volume sets can be created in a RAID set.

3. The maximum addressable size of a single volume set is not lim-

ited to 2TB, because the controller is capable of 64-bit LBA

mode. However the operating system itself may not be capable

of addressing more than 2TB.

See Areca website ftp://ftp.areca.com.tw/RaidCards/Docu-

ments/Manual_Spec/ Over2TB_050721.ZIP le for details.

4.6.1 Create Volume Set (0/1/10/3/5/6)

To create volume set from RAID set storage, move the cursor bar

to the main menu and click on the “Create Volume Set” link. The

“Select The Raid Set To Create On It” screen will show all RAID

set number. Tick on a RAID set number that you want to create

and then click on the “Submit” button.

The new create volume set attribute allows user to select the

Volume Name, RAID Level, Capacity, Greater Two TB Volume

Support, Initialization Mode, Strip Size, Cache Mode, Tagged

Command Queuing, and SCSI Channel/SCSI ID/SCSI Lun.

WEB BROWSER-BASED CONFIGURATION

• Volume Name

The default volume name will always appear as “ARC-8050T3U-

VOL”. You can rename the volume set providing it does not

exceed the 15 characters limit.

• Volume Raid Level

Set the Raid Level for the volume set. Highlight the desired

RAID Level from the available RAID levels option.

There are two circumstances when you choose RAID level 1

function:

RAID 1-Simple Mirroring is also known as “ ”; two disk mirror

If your RAID set has two disks, data written on one disk drive is

simultaneously written to another disk drive.

RAID 1-Multi Mirroring is also known as “ ”; If triple disk mirror

your RAID set has three disks, data written on one disk drive is

simultaneously written to another two disk drives.

• Capacity

The maximum volume size is the default initial setting. Enter

the appropriate volume size to t your application.

• Greater Two TB Volume Support

Controller uses the "Greater Two TB Volume Support" sub-menu

to set the volume capacity and sector size. Greater Two TB

Volume Support option: "No", "64bit LBA" and "Use 4K Block".

WEB BROWSER-BASED CONFIGURATION

-No

When this option is enabled, it keeps the volume size with

max. 2TB limitation. For any hard disk drives working in the

4K native mode in the Raid set, the volume set directly sets

and exposes 4KB sector size to the operating system.

-64bit LBA

This option uses 16 bytes CDB instead of 10 bytes. The maxi-

mum volume capacity is up to 512TB. For any hard disk drives

working in the 4K native mode in the Raid set, the volume

set directly sets and exposes 4KB sector size to the operating

system. This option works on different OS which supports 16

bytes CDB.

-Use 4K Block

This option uses 16 bytes CDB and changes the sector size

from default 512 bytes to 4k bytes. Windows XP only supports

maximum volume capacity is up to 16TB.

• Initialization Mode

This option is used to dene “Background Initialization”, “Fore-

ground Initialization” or “No Init (To Rescue Volume)”. When

“Background Initialization”, the initialization proceeds as a

background task, the volume set is fully accessible for system

reads and writes. The operating system can instantly access to

the newly created arrays without requiring a reboot and waiting

the initialization complete. When “Foreground Initialization”, the

initialization proceeds must be completed before the volume set

ready for system accesses. There is no initialization happened

when you select “No Init” option. “No Init“ is for customer to

rescue volume without losing data in the disk.

• Stripe Size

This parameter sets the size of the stripe written to each disk

in a RAID 0, 1, 10, 5, 6, 50 or 60 logical drive. You can set the

stripe size to 4 KB, 8 KB, 16 KB, 32 KB, 64 KB, 128 KB, 256 KB,

512KB or 1M. A larger stripe size produces better read per-

formance, especially if your computer does mostly sequential

reads. However, if you are sure that your computer does ran-

dom reads more often, select a smaller stripe size.

WEB BROWSER-BASED CONFIGURATION

• Cache Mode

The RAID storage supports “Write Through” and “Write Back”

cache.

• Volume Write Protection

When "Volume Write Protection" is enabled on the "Modify

Volume Set", host commands fail if they are issued to a volume

in that RAID controller and attempt to modify a volume's data

or attributes. Volume Write Protection is used primarily for

customer-initiated disaster recovery testing.

• Full Volume Encryption

ARC-8050T3U have featured with controller based hardware

encryption function. Controller based hardware encryption de-

scribes the encryption of data occurring at the disk array con-

troller before being sent to the disk drives. Since RAID control-

ler is a natural central point of all data therefore encryption at

this level is inherent and also reduces deployment complexity.

ARC-8050T3U RAID controller has dedicated electronic circuitry

for the cryptographic engine embedded in the ROC and operat-

ing at full channel speeds. The hardware encryption does not

impact the performance of ARC-8050T3U RAID controller and

can implement on any kinds of HDD that is transparent to the

user, the OS, and applications.

Encrypting your volume can give your data an extra layer of

protection be yond setting up a controller password. Encryption

will conceal your volume’s data and make accessing the les

almost im possible for anyone who does not know your encryp-

tion key. Data saved in the volume will be hidden by Algorithm

developed by Areca Technology. With this scramble process, no

one can see and access into the hidden volume data without

access key. ARC-8050T3U support 128- and 256-bit encryp-

tion keys using AES(a key size of 128, or 256 bits), or pass-

word (a variable key size). Each encryption key size causes

Note:

• RAID level 3 can’t modify the cache stripe size.

• Roaming the stripe size 256K/512K/1M Raid Set to rmware

version older than 1.52 will cause data corruption.

WEB BROWSER-BASED CONFIGURATION

the algorithm to behave slightly differently, so the increasing

key sizes not only offer a larger number of bits with which you

can scramble the data, but also increase the complexity of the

cipher algorithm. ARC-1882 adapters provide ve new key

options in the Full Volume Encryption:“Disable”, “256Bit key,

Password”, “256Bit key, AES”, “128Bit key, Password”, “128Bit

key, AES”. You can generate the new key by CLI utility or API

code function.

This volume encryption function can only work with ARC-1882

series with any kinds of HDD. You can follow below steps to en-

able the function.

1. Create volume set with “Full Volume Encryption” capability in

the web management.

2. Use CLI “vsf genkey” command or API code to generate key

le.

3. Use “Download Volume Key File” in the web management or

use CLI “vsf dlkey” command to download volume key le

into rmware and unlock the volume.

4. Follow step 3. to unlock volume if volume locked.

• Tagged Command Queuing

The “Enabled” option is useful for enhancing overall system

performance under multi-tasking operating systems. The

Command Tag (Drive Channel) function controls the SAS

command tag queuing support for each drive channel. This

function should normally remain “Enabled”. “Disabled” this

function only when using SAS drives that do not support

command tag queuing.

• SCSI Channel/SCSI ID/SCSI Lun

SCSI Channel: The RAID storage function is simulated as an

external SCSI RAID controller. The host bus is represented as a

SCSI channel. Choose the SCSI Channel.

SCSI ID: Each SCSI device attached to the SCSI card, as well

as the card itself, must be assigned a unique SCSI ID number.

A SCSI channel can connect up to 15 devices. The RAID storage

is a large SCSI device. Assign an ID from a list of SCSI IDs.

SCSI LUN: Each SCSI ID can support up to 8 LUNs. Most 6Gb/s

SAS controllers treat each LUN like a SAS disk.

WEB BROWSER-BASED CONFIGURATION

Click a volume set number and the “Conrm The Operation”

check box and then click the “Submit” button to delete the vol-

ume set.

4.6.4 Modify Volume Set

To modify a volume set from a RAID set:

1. Click on the “Modify Volume Set” link.

2. Click the volume set check box from the list that you wish to

modify.

Click the “Submit” button. The following screen appears.

Use this option to modify the volume set conguration. To modify

volume set attributes, move the cursor bar to the volume set at-

tribute menu and click it. The “Enter The Volume Attribute” screen

appears. Move the cursor to an attribute item and then click the

attribute to modify the value. After you complete the modica-

tion, tick on the “Conrm The Operation” check box and click the

“Submit” button to complete the action. The user can only modify

the last volume set capacity.

WEB BROWSER-BASED CONFIGURATION

4.6.4.1 Volume Growth

Use “Expand Raid Set" function to add disk to a RAID set. The

additional capacity can be used to enlarge the last volume set

size or to create another volume set. The “Modify Volume Set”

function can support the “Volume Modication” function. To

expand the last volume set capacity, move the cursor bar to

the “Capacity” item and entry the capacity size. When nished

the above action, click on the "Submit" button to complete the

action. The last volume set starts to expand its capacity.

To expand an existing volume noticed:

• Only the last volume can expand capacity.

• When expand volume capacity, you can’t modify stripe size or

modify RAID level simultaneously.

• You can expand volume capacity, but can’t reduce volume

capacity size.

• After volume expansion, the volume capacity can't be

decreased.

For greater 2TB expansion:

• If your system installed in the volume, don't expand the

volume capacity greater 2TB, except your OS and controller

can support boot up from a greater 2TB capacity device.

• Expand over 2TB used LBA64 mode. Please make sure your

OS supports LBA64 before expand it.

4.6.4.2 Volume Set Migration

Migrating occurs when a volume set is migrating from one RAID

level to another, when a volume set strip size changes, or when

a disk is added to a RAID set. Migration state is displayed in the

volume state area of the “RAID Set Hierachy” screen.

WEB BROWSER-BASED CONFIGURATION

Note:

1. If the volume is RAID level 30, 50, or 60, you can not

change the volume to another RAID level. If the volume

is RAID level 0, 1, 10(1E), 3, 5, or 6, you can not change

the volume to RAID level 30, 50, or 60.

2. Power failure may damage the migration data. Please

backup the RAID data before you start the migration

function.

4.6.4.3 Volume Write Protection

When "Volume Write Protection" is enabled on the "Modify

Volume Set", host commands fail if they are issued to a volume

in that RAID controller and attempt to modify a volume's data

or attributes. Volume Write Protection is used primarily for

customer-initiated disaster recovery testing.

4.6.5 Check Volume Set

To check a volume set from a RAID set:

1. Click on the “Check Volume Set” link.

2. Click on the volume set from the list that you wish to check.

Tick on “Conrm The Operation” and click on the “Submit” button.

Use this option to verify the correctness of the redundant data in

a volume set. For example, in a system with dedicated parity, vol-

ume set check means computing the parity of the data disk drives

and comparing the results to the contents of the dedicated parity

disk drive. The checking percentage can also be viewed by click-

ing on “RAID Set Hierarchy” in the main menu.

Specyfikacje produktu

Marka:	Areca
Kategoria:	serwer
Model:	ARC-8050T3U-4

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