Accusys ACS-77100 User Manual

ACS-77100 RAID controller

User Manual

User’s Manual

eface ..........................................................................................................................3

Pr

Notice......................................................................................................................3

Trademarks..............................................................................................................3

About This document................................................................................................4

Symbols used in this document..................................................................................4

1. In

troduction to the ACS-77100.....................................................................................5

1.1. Overview...........................................................................................................5

1.2. System Structure ...............................................................................................5

1.3. Understanding RAID Levels.................................................................................6

1.3.1. RAID 0 (striping) ......................................................................................6

1.3.2. RAID 10 (striping and mirroring)................................................................7

1.3.3. RAID 5 (striping with parity) and RAID 5+hot spare ....................................8

2. Build a

3. S

4. Manag

RAID Solution ..................................................................................................9

2.1. Hardware Requirement:......................................................................................9

2.2. LCD Panel Operations.......................................................................................10

et up the RAID solution............................................................................................11

3.1. Setting the RAID Level .....................................................................................11

3.1.1 RAID Level configurations ........................................................................12

3.2.

Creating an Array.............................................................................................13

3.2.1 Enable/Disable Over 2TB capacity.............................................................13

3.2.2 Creating an Array ....................................................................................13

3.3.

Setting the Time and Date by LCD.....................................................................14

3.4. Connecting ACS-77100 to the Host computer.....................................................15

3.5. Formatting and Partitioning the AC S-77100........................................................15

3.5.1. Windows Users.......................................................................................15

3.5.2. Formatting drive over 2TB capacity on Windows Vista................................17

ement.............................................................................................................18

4.1. LCD displayed Messages...................................................................................18

4.1.1. Booting Messages...................................................................................18

4.1.2. Set over 2TB Capacity Messages..............................................................18

4.1.3. Initialization Messages ............................................................................19

4.1.4. System Ready Messages..........................................................................19

4.1.5. Rebuild Messages...................................................................................20

4.1.6. Error Messages.......................................................................................20

4.2.

StorConn GUI introduction................................................................................21

4.2.1. RAID status monitoring window......................................................................22

5. U

pdate Firmware.......................................................................................................23

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.1. Firmware updating steps ..................................................................................23

5

6. T

rouble Shooting.......................................................................................................26

7. FAQ..........................................................................................................................27

8. Contact Accusys........................................................................................................28

Accusys, Inc...........................................................................................................28

Accusys U.S.A., Inc.................................................................................................28

Accusys China, Inc..................................................................................................28

Accusys EU B.V ......................................................................................................29

Accusys Korea, Inc. ................................................................................................29

User’s Manual

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Preface

Notice

Product fe
notice.

atures and specifications described in this manual are subject to change without

User’s Manual

The man
from the performance or use of the information contained herein.

Trademarks
Accusys and
service marks or registered trademarks and/or service marks of Accusys, Inc.
Microsoft, Windows, Windows NT, MS-DOS are either trademarks or registered
Microsoft Corporation. Intel and Pentium are registered trademarks of Intel Corpo r ation . Other
product and company names mentioned herein may be trademarks and/or service marks of
their respective owners.
All contents of this manual
exclusive property of Accusys, Inc. and shall not be copied, tr ansferred, photocopied, tran slated
on paper, film, electronic media, or computer-readable form, or otherwise reproduced in any
way, without the express written permission of Accusys Inc.
Manual version 1.0
© Copyright 2006 A
All rights reserved.

ufacturer shall not be liable for any damage, or for the loss of information resulting

the names of Accusys products and logos referenced herein are trademarks and/or

trademarks of

are copyrighted by Accusys. The information con tained herein is the

ccusys, Inc.

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User’s Manual

About This document

This document discusses how to properly design your RAID solution when using the ACS-77100
RAID controller, and guides you to configure the RAID controller. Customer should have a
working knowledge of RAID planning and data storage.

Symbols used in this document

Important information that users should be aware of is indicated with the following icons:

Caution

This icon indicates the existence of a potential hazard that
could result in personal injury, damage to your equipment or
loss of data if the safety instruction is not observed

Note

This icon indicates useful tips on getting the most from your
RAID controller.

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User’s Manual

1. Introduction to the ACS-77100

1.1. Overview

The ACS-77100 RAID controller provides RAID 0 (striping), RAID 10 (Striping and mirroring)
and RAID 5 (striping with parity) for you to construct a disk array op timized for performance or
reliability. By connecting the SATA cables between the ACS-77100 and the disks, a RAID
solution can be easily built.
The ACS-77100 controller is equipped with Java-based GUI (graphical user interface)
monitoring program, by which users can easily monitor the RAID status from web browsers at a
remote site. The monitoring program is also capable of sending out notification mail to users so
that users can always be informed of the updated status of the device.

1.2. System Structure

An internal or external RAID subsystem can be built by integrating RAID controller (with LCD
module), back-plane (or disk board f or disk hot-swapp ing), connectors for out -band connection
(eSA TA/SATA host connector, DB9 connector for COM port), a selector for RAID level
configuration, power supply, fan and all internal cables. Custom er should provide the materials
beside the RAID controller.

PWR1 Power connector CN4 Button connector CN7 Host I/F
CN2 BP I/F (LED, I2C) CN5 Disk I/F CN8 COM and RAID configuration I/F
CN3 LCD connector CN6 Dick I/F CN9 FAN connector

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1.3. Understanding RAID Levels

1.3.1. RAID 0 (striping)

RAID 0 links each drive in the array to from one large drive.
Storage capacity is determined by the smallest drive in the arra y .
This capacity is then applied to format all other drive in the
array.
When using a 40GB, 50GB and a 60GB drive in a RAID 0 array,
your system will have, in effect, one 120GB drive (40GB x 3)

The diagram above represents the writing of data on a RAID 0

User’s Manual

array composed of four disks connected to the controller. Data
block are distributed across all disks in the array.

Characteristics

 RAID 0 implements a striped disk array, the data is broken down into blocks and each

block is written to a separate disk drive.

 I/O performance is greatly improved by spreading the I/O load across many channels and

drives.

 Fastest and most efficient array type but offers no fault-tolerance.

Recommended Uses

 Video production and editing.
 Image editing.
 Pre-press applications.
 Applications requests high-bandwidth.

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1.3.2. RAID 10 (striping and mirroring)

RAID 0+1 combines mirroring and striping functions on a minimum
of four hard disks. Mirroring provides full redundancy and protects
data in case of multiple drive failure (providing that data on one of
each mirrored pair of drives is intact).

The diagram shown represents the writing of data on a RAID 0+1
array composed of four DISKS connected to the controller. The
controller creates two matching RAID 0 arrays on four DISKS

User’s Manual

Characteristics

 This configuration provides optimal speed and reliability.
 Requires even number of disks (minimum 4 disks)

Recommended Uses

 Imaging application.
 General Fileserver.

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User’s Manual

1.3.3. RAID 5 (striping with parity) and RAID 5+hot spare

RAID 5 uses a mathematical expression that compares data from
three drives and calculates a fourth piece of data called “parity”
which is saved on a fourth drive. Should one of the drives failed ,
parity data can be used to rebuild the failed data. Under RAID 5,
parity data is stored across all drives in the array. This maximizes
the amount of storage capacity available from all drives in the
array while still providing data redundancy. RAID 5 requires at
least three drives. The ACS-77100 allows user to set RAID 5 with
three drives and the fourth drive as a hot-spare driv e ready to be

used for rebuilding data in case one of the other drives fails.
The diagram above represents the writing of data on a RAID 5 array composed of four disks
connected to the controller. Parity blocks are represented by the letter P

Characteristics

 Each entire data block is written on a data disk. Parity for blocks in the same rank is

generated on Writes, recorded in a distributed location and checked on Reads.

 Highest Read data transaction, medium Write data transaction rate.
 Relatively low ratio of ECC (Parity) disks to data disks means high efficiency (compared to

other RAID levels).

 Good aggregate transfer rate.

Recommended Uses

 File and application servers.
 Database servers.
 Web, Email servers.
 Internet server

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User’s Manual

2. Build a RAID Solution

This chapter covers the installation of the ACS-77100. The customers will be guided to using
ACS-77100 to build a RAID solution.

2.1. Hardware Requirement:

 ACS-77100 RAID controller
 Backplane or Disk I/O board
 Disk carriers (with LED Indicators)
 Power supply
 Fan module
 Chassis
 Other materials

 SATA disk cable
 Header to DB9 cable
 SATA to eSATA internal cable
 Selector (with header connector + cable)

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User’s Manual

2.2. LCD Panel Operations

The LCD messages are displayed on the screen of LCD panel for system status.

Power LED Access LED

▲: Scroll up button ▼: Scroll down button ENT: Enter button ESC: ESC button

Scroll up button: to scroll up message data.
Scroll down button: to scroll down message data.
Enter button: to confirm or enter your selection.
ESC button: back to the top layer of message data.

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ging

User’s Manual

3. Set up the RAID solution

This chapter covers the configuration of the ACS-77100. Through an easy process, the
customers will be guided to configure the ACS-77100 through the following steps:

Step 1 3.1. Setting the RAID level – The ACS-77100 is per-configured at RAID level 5, but

you have the option of customizing your RAID level in this step

Step 2 3.2. Creating an Array – The disks in ACS-77100 will be used to create an array, by

which you can partition and use the storage.

Step 3 3.3. Setting the Date and Time – Configure your ACS-77100 for your local use.

Step 4 3.4. Connecting to a Host computer – Connecting the ACS-77100 to your host

computer through eSATA interface.

Step 5 3.5. Formatting and Partitioning the ACS-77100 – This section detail s the process for

formatting and partitioning the ACS-77100 on Windows operating system.

3.1. Setting the RAID Level

The RAID level of ACS-77100 is set using jumper heads on the RAID Configuration Interface
(Pin1, 3, 5, 7 of the CN8). The four possible combinations of the jumper position correspond to
the four available RAID settings: 0, 0+1, 5 and 5+spare.

Caution

The ACS-77101 must be powered off to change the
RAID level.

Caution

If there is data on the array, chan
will cause loss of all the data on the array.

the RAID level

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)

3.1.1 RAID Level configurations

RAID Level 5 RAID Level 0

User’s Manual

Pin1-3 is open.
Pin5-7 is open.

Pin1-3 is short.
Pin5-7 is short.

RAID Level 10 RAID Level 5 + spare

Pin1-3 is short.
Pin5-7 is open.

Pin1-3 is open.
Pin5-7 is short.

Note

If the RAID level is not matched between the disk setting and the RAID level
selector setting, the LCD will display the following two messages alternatively:
(1) “RAID level”

“Unmatched”
(2) “Current: R(X)” (i.e. the current RAID level setting of RAID level selector.)
“Original: R(Y)” (i.e. the original RAID level setting of the installed disks.)

Solution:
At this situation, RAID cannot work, users should choose one of the following
options :
(1) Shut down and tune the RAID level selectors to R(Y).
(2) Re-plug the four disks and re-create the Array to R(X). (But data in the RAID

will be lost due to the destructive initialization

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g

User’s Manual

3.2. Creating an Array

3.2.1 Enable/Disable Over 2TB capacity

ACS-77100 supports over 2TB capacity. The steps below will guide you to enable/disable over
2TB capacity.

1. Select scroll button to find the capacity setting item on LCD panel. (P.18, 4.1.2. Set over
2TB capacity Messages )

2. Press the ENT button, and select (YES) or (NO) by the scroll buttons.

Note

If you want to create the array with over 2TB capacity, the
settin

must be finished before to create an array.

3. Press the ENT button to confirm the setting.

3.2.2 Creating an Array

The steps below will guide you to create an array on the ACS-77100.

1. Configure RAID level.

2. Power on the ACS-77100 without disks installed.

3. Install 4 disks on ACS-77100.

4. After ACS-77100 recognized all disks. A message「Create New RAID?」will be displayed
on the LCD panel.

5. Select 「YES」by the scroll buttons and press the ENT button to create array .

Note

During the RAID-creating procedure, the percentage of RAID
initialization progress will be displayed on the LCD panel.

Note

The initialization process is a time-intensive process and is
dependent upon the size of the disks. For example, four 400GB
disks in a RAID 5 array could take over about two hours.

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Note

The device over 2TB capacity should be supported by
Operation System (e.g. Windows Vista). Please refer to section

3.5. Formatting and Partitioning the ACS-77100 to
partition the device.

User’s Manual

3.3. Setting the Time and Date by LCD

To change the time and date on the LCD, press and hold the ENT button for five seconds.
Release the button to display the date and time setting screen.
T o adju st the time and date v alues, use the Scroll buttons to change the values. (Figure 3.3.A)
Press the ENT button to confirm your selection and move to next value.
Start by adjusting the year (YY), then move to the month (MM), the day (DD), and finally the
hour (HH) and minute (MM).
Pressing the ENT button on the final selection will set the time and date. The Time and Date
will be displayed on the LCD during ACS-77100 stand-by mode. (Figure 3.3.B)

Note

The time is measured in the 24-hour clock format.

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User’s Manual

3.4. Connecting ACS-77100 to the Host computer

1. Follow the steps on page 11, 3.1. Setting the RAID Level and 13 , 3.2. Create an Array to
establish a RAID.

2. Connect an end of the eSAT A cable into the eSA T A port on the ACS-77100 RAID subsystem.

3. Connect the other end of the eSATA cab l e into the eSATA port on the host computer.

It will take a few seconds for the host computer to recognize the drive for it to appear in My
Computer or on the desktop.

The ACS-77100 RAID subsystem will now need to be formatted. Go to next step 3.5.

Formatting and Partitioning the ACS-77100 for more information.

3.5. Formatting and Partitioning the ACS-77100

Before the ACS-77100 array can be f ully utilized, it needs to be for matted. During this pr ocess,
the array can also be customized with partition. As yo u format the drive, you will have the
opportunity to divide the hard drive into sections, called partitions. A partition is a secti on of the
hard drive’s capacity that is created to contain file and data.

3.5.1. Windows Users

Caution

Before beginning the format and partition, make sure there are no
any warning or error message being displayed on the ACS-77101

After having followed the steps to set the RAID level, create an arr ay and connect the interface
cable to the host computer, the ACS-77100 must now be formatted and partitioned before it
can be used.

1. Right click My Computer and click Manage.

2. From the Computer Management window, select Disk Management. (Figure 3.5.1.A)

3. If the Initialize and Convert Disk Wizard window appears, click Cancel.

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4. Windows operation system will list all the hard drives that are installed on the system.

User’s Manual

Locate the ACS-77100 drive that is represented by the
select Initialize.

5. In the drive box to the right shows Unallocated, right click and select New Partition.
(Figure 3.5.1.B)

6. The New Partition Wizard dialog box will appear, click Next to continue. (Figure

3.5.1.C)

7. After selecting partition type, specifying partition size and assigning drive letter, the
Format Partition dialog box (Figure 3.5.1.D) will appear, you have the option of selecting

icon. Right click the icon and

the Quick Format option. This allow mach fast formatting, however, this disallow Disk
Management to check the drive sector for errors. Click Next to start the format process.

8. Your drive should now appear in your My Computer and ready for use.

Caution

Formatting drive will crash all data in the drive.

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User’s Manual

3.5.2. Formatting drive over 2TB capacity on Windows Vista

The steps below will guide you to format a drive over 2TB capacity on Window Vista.

1. Right click Computer and click Manage.

2. From the Computer Management window, select Disk Management.

3. Windows operation system will list all the hard drives that are installed on the system.
Locate the ACS-77100 drive that is represented by the

select Initialize Disk.

4. The Initialize Disk dialog box will appear, select the disk number and select the GPT
(GUID Partition Table) partition style. (Figure 3.5.2.A)

5. In the drive box to the right shows Unallocated, right click and select New Simple
Volume. (Figure 3.5.2.B)

6. The New Simple Volume Wizard dialog box will appear, click Next to continue.

icon. Right click the icon and

7. After selecting partition type, specifying partition size and assigning drive letter, the

Format Partition dialog box will appear, you have the option of selecting the Quick
Format option. This allow mach fast formatting, however, this disallow Disk Management

to check the drive sector for errors. Click Next to start the format process.

8. Your drive should now appear in your Computer and ready for use.

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User’s Manual

4. Management

4.1. LCD displayed Messages

The status of the ACS-77100 can be viewed through the LCD display . By using the scroll button s
to scroll through the messages, the following information is available.

RAID level and capacity Disk drive model Disk capacity
Controller firmware version Controller serial number Fan and temperature status

4.1.1. Booting Messages

LCD Display Message

RAID Box

Boot

RAID Box

Initialize Disks

ACS-77100 is booting

ACS-77100 is initializing the installed disks

4.1.2. Set over 2TB Capacity Messages

LCD Display

Enable over 2T
Press ENT select

Enable over 2T

(YES)

Press ENT button to set enable/disable over 2TB

Enable over 2TB capacity

Message

Enable over 2T

(NO)

Disable over 2TB capacity

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4.1.3. Initialization Messages

LCD Display Message

Create New RAID?
No (Yes)

RAID INIT XX.X %

Total: XXXX GB

RAID Init 100 %

XXXX GB INIT OK!

LCD Display Message

User’s Manual

Create a new RAID.

New array being created.

RAID Initialization completed successfully.

Disk X failed during the initialization. The initialization

RAID INIT Failed

DX offline

Too many bad sectors in Disk X, initialization cannot

RAID INIT Failed

DX Bad sectors

cannot proceed.

proceed.

4.1.4. System Ready Messages

LCD Display Message

RAID Box

Ready hh:mm

ACS-77100 is ready for use.

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User’s Manual

4.1.5. Rebuild Messages

LCD Display Message

Rebuilding data to a new disk (Disk X) since Disk X

DX Rebuild XX.X%

Total: XXX GB

DX Rebuild 100%

XXX GB OK!

The capacity of the new disk (Disk X) is too small.

DX Rebuild Fail

XX GB < YYY GB

DX Rebuild Fail

failure.

Disk rebuild completed successfully.

XXX GB is the capacity of the new disk.
YYY GB is the minimum disk capacity of the RAID.

Disk rebuilding fail since Disk X failed.

DX offline

DX Rebuild Fail

DX Bad sectors

Disk rebuilding fail since too many bad sectors in Disk X

4.1.6. Error Messages

RAID Failure Messages

LCD Display Message

The RAID failed since there are not enough disk

code: 0

The RAID failed since the sequence of the disks is

code: 1 <xxxx>

RAID Fail

members.

RAID Fail

incorrect. The current sequence is displayed within the
< > space.

RAID Fail

code: 2

The RAID has been failed, but all disks exist.

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Disk Failure Message

LCD Display Message

User’s Manual

Fan Failure Message

Disk X fail

LCD Display Message

Fan Fail

XXXX rpm

Overheating Error Message

LCD Display Message

Temperature!!

XX°C > 50°C

Disk X failed.

Fan failure. The xxxx rpm is th e current rpm for the fan.

System overheating. The XX is the current temperatur e

4.2. StorConn GUI introduction

ACS-77100 support remote RAID subsystem monitoring by web-based GUI. This section cov ers
the introduction of the monitoring software.

Key Features

 Graphical User Interface (GUI)
 Multi-interface support
 Remote monitoring
 Web-based environment
 Event notification

site. The StorConn is also capable of sending out notification mail to the customers.

StorConn monitoring program, a
web-based GUI supporting In-band
interface via SATA channel and
Out-band interface via RS-232, by
which customers can monitor the RAID
status from web browsers at a remote

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4.2.1. RAID status monitoring window

1. RAID controller tab: Allow customer to select which RAID to monitor.

User’s Manual

2. Controller information: Lists model name, serial number and current RAID level.

3. Disk status: Allows you to monitor the status of each of the disk drives.

4. Disk information: Lists model name and capacity of each of the disk drives.

5. Re-build / initialize progress: Tracks the re-building or initialization process.

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User’s Manual

5. Update Firmware

ACS-77100 allows the customers to update firmware via RS-232 interface. The firmware can be
updated from a host PC with third party communication software, such as HyperTerminal, that
supports ANSI terminal emulation. The setup process for HyperTerminal will be guided in this
chapter.

Note

The data and configurations on the array are not affected by
firmware updating.

Note

The HyperTerminal is bundled as standard with Microsoft
Windows operating system. It will be found in the
Communications folder. The program can also be download
from Higraeve Software at http://www.higraeve.com/htpr/

5.1. Firmware updating steps

1. Ensure the ACS-77100 is turned off.

2. Connect one end of the supplied RS-232 cable to the RS-232 3pin port from the Pin2, 4, 6
of the CN8 on the ACS-77100 controller, and connect the other end to one of the host
computer’s COM port.

| Pin2 to A | Pin4 to B | Pin6 to C |

3. Launch HyperTerminal from the host computer: Start > Programs > Accessories >
Communications > HyperTerminal.

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4. Select COM1 or COM2 from the Connect usin g: dr op down menu, depending on which port
is connecter to ACS-77100.

User’s Manual

5. The COM properties dialog box will appear. Set the following values:

Bit per second: 19200
Data bits: 8
Parity: None
Stop bits: 1
Flow Control: Xon/Xoff

6. Turn on the ACS-77100 and press the ESC button on the host computer keyboard. The
“>>>” prompt will appear.

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yp

7. Type in the command “download” to go to the firmware download mode, then type “1” to
download code (Firmware or Bootcode).

>>> download
restart … 01 GPIO 01 AAA 01 01
========= 76 Download Mode =========
Enter ‘1’ to Download Code (Firmware, Bootcode)
‘ESC’ exit
‘r’ reset

--------------------------- version: Boot ---- 13 (a) ---- 03 Downloading Code!
Flash t

8. Locate the updates firmware file to send. For HyperT erminal, go to the Transfer menu and
select Send Text File.

e: SST39VF040

User’s Manual

9. Send the firmware file as a text file. The file will start to download.

Caution

Do not turn off the system or interrupt program
during firmware-updating procedure.

10. When the file has been downloaded, after ACS-77100 restarted, the firmware-updating
procedure is finished.

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6. Trouble Shooting

Problem Possible solution

User’s Manual

The ACS-77100 does
not appear in the
BIOS.
How should I react to
disk failure?

LCD display RAID Fail
Code 0.

LCD display RAID Fail
Code 1 <x x x x>

Ensure that the array has completed the initialization process.

For a RAID 5/RAID 10 array, you should replace the failed disk.
Data rebuilding will then begin.
For a RAID 5+hot spare array, data will be rebuilt automatically
to the hot-spare disk. There is no need to immediately replace
the failed drive.
The capacity of new disk you installed must equal or larger than
the disks installed in ACS-77100. Otherwise, it will be rejected by
ACS-77100, though it has no any damage.

The status for RAID fail Code 0 is: Not enough number of
function disks for a RAID to operate
Please create a new array.

Represents disk sequence is wrong, and the current sequence
displayed within < >.

LCD display RAID Fail
Code 2

Example:
<2134>: disk 2 and disk 1 sequence is reversed.
Please power off the ACS-77100 and replace the disks on the
right slot.
The status for RAID Fail Code 2 is: The RAID has been failed, but
all disks exist.
Please create a new array.

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User’s Manual

7. FAQ

If you encounter a problem while using the RAID box, check this section for help.

1. I have connected the ACS-77100 to host computer, but the host computer

cannot recognize the ACS-77100 in BIOS.

The array of the ACS-77100 must be created so that the host c omputer can recognize the RAID
in BIOS. Please make sure that an array is created.

2. My Operating System is Linux. I have enabled the over 2TB capacity setting, but

I still cannot partition a device over 2TB in OS. Why?

The ACS-77100 is over 2TB available, but most OS still cannot supp ort SA T A device to over 2TB.
Please refer to the below list for choosing the OS.

a) Microsoft Windows Vista

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8. Contact Accusys

Accusys, Inc.

• 8F, No. 47, Lane 2, Sec. 2, Guangfu Rd., Hsinchu, Taiwan

• Tel : [phone]

• Fax : [phone]

• Website: www.accusys.com.tw

• Sales : [e-mail]

• Support: [e-mail]

Accusys U.S.A., Inc.

• 46710 Fremont Blvd. Fremont, CA 94538, U.S.A.

User’s Manual

• Tel:[phone]

• Fax:[phone]

• Toll-free number:[phone]

• Website: www.accusysusa.com

• Sales : [e-mail]

• Support: [e-mail]

Accusys China, Inc.

• 1701, Blk B, Horizon International T ower, No. 6 Zhichun Street, Haidian District, Beijing,

postcode 100088, China.

• Tel : [phone] /82 /83

• Fax : [phone]

• Website:

• Sales: [e-mail]

• Support: [e-mail]

www.accusys.com.cn

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Accusys EU B.V

• Columbusstraat 22-26, Distripark Eemhaven, 3165 AD Rotterdam, Netherlands

• Tel : [phone]

• Fax : [phone]

• Website: www.accusyseu.com

• Sales : [e-mail]

• Support: [e-mail]

Accusys Korea, Inc.

• Baegang B/D 5F Shinsa-Dong 666-14 Kanggnam-Gu, Seoul, Korea

• Tel : [phone]

• Fax : [phone]

User’s Manual

• Website: www.accusys.co.kr

• Email : [e-mail]

http://www.accusys.com.tw

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