Adaptec asr-6805e rohs kit [93/116] Identifying disk drives
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Adaptec asr-6805e rohs kit [93/116] Identifying disk drives

Adaptec asr-6405e kit [93/116] Identifying disk drives
To locate a disk drive:
1. Start the ARC utility (see Running the ARC Utility on page 83).
2. Select the controller you want, then press Enter.
3. Select Disk Utilities.
4. Select the disk drive you want, then press Enter.
5. Select Identify Drive, then press Enter.
6. When you have nished locating your disk drive, press any key to stop the blinking.
Identifying Disk Drives
You can identify disk drives by viewing the list of disk drives on your system. Only physical drives that
display during POST are shown.
To identify a disk drive:
1. Start the ARC utility (see Running the ARC Utility on page 83).
2. Select the controller you want, then press Enter.
3. Select Disk Utilities.
The Disk Utilities view provides you with the following information:
SizeSpeedRev#ModelLocation
The size of the disk
drive.
The speed of the
disk drive.
The revision number
of the disk drive.
The manufacturer
information.
CN1=DEV1
Box0=Slot0
Exp0=phy0
The location information of a disk drive is determined by three types of connections:
• Direct attached drives—The connection is determined by the cable connected to a device, for
example CN1 (connector 1) is connected to DEV1 (device 1). For more information, see
Direct-attach Connections on page 72.
• Storage Enclosure Processor (SEP) managed devices—The connection is determined by an active
backplane. Box0 (enclosure 0) is connected to slot0 (disk drive slot 0 in the enclosure). For more
information, see Backplane Connections on page 73.
• Expanders—The connections is determined by an expander. Exp0 (expander 0) is connected to
phy0 (phy 0 within a connector). For more information, see SAS Expander Connections on page
73.
Note: Devices other than disk drives (CDROM, tape drives, etc...) are listed in order
after your system disk drives.
Setting the Drive Write-Cache Policy
If the global write cache policy is set to "Drive Specic" (see General Controller Settings on page 89),
you can set the write-cache policy for individual disk drives on the controller. (If the global write-cache
policy is set to Enable All or Disable All, this option is grayed out.)
To set the drive-specic write-cache policy:
1. Start the ARC utility (see Running the ARC Utility on page 83).
2. Select the controller you want, then press Enter.
3. Select Disk Utilities.
4. Select the disk drive you want, then press Enter.
5. Select Write Cache, then choose the policy for the drive: Write-Back (Enable) or Write-Through
(Disable).
93Proprietary and Condential to PMC-Sierra, Inc., and for its customers.
Document No.: CDP-00310-01-A Rev. A, Issue
Serial Attached SCSI RAID Controllers Installation and User's Guide

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