Microsemi Adaptec ASR-8405E - Identifying Disk Drives; Setting the Drive Write-Cache Policy

To locate a disk drive:
1. Start the ARC utility (see Running the ARC Utility).
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.
C.6 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).
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 in-
formation.
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
ConnectionsSAS direct-attach connectionsdirect-attach connections.
• 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 ConnectionsSAS backplane connectionsbackplane connections.
• 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 ConnectionsSAS expander
connectionsexpander connections.
Note: Devices other than disk drives (CDROM, tape drives, etc...) are listed in order
after your system disk drives.
C.7 Setting the Drive Write-Cache Policy
If the global write cache policy is set to "Drive Specic" (see General Controller Settings controllers modifying
general settings on page 62), 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).
2. Select the controller you want, then press Enter.
3. Select Disk Utilities.
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Microsemi Proprietary and Condential. Installation and User's Guide Revision 5
Using the Microsemi Adaptec RAID Conguration Utility