Microsemi Adaptec ASR-81605Z, Installation And User Manual

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3. Select Logical Device Configuration, then select a logical drive.
4. Select Clear Cache Preserved.
C.3.3.3.3 Checking the Cache Preservation Status
To check the controller's cache preservation status, select Controller State from the Controller Settings,
Advanced Configuration menu. With cache preservation enabled, the controller enters the Cache Preserved
state; otherwise, it remains in the Optimal state.
C.3.4 Checking Backup Unit Status
To check the status of the controller's flash backup unit, select Backup Unit Status from the Controller
Settings menu.
Table 3 • Backup Unit Status on page 66 describes the backup unit states. This option is
available only if the controller is configured with a flash backup unit.
Table 3 • Backup Unit Status
Meaning Status
Supercapacitor not present, suffered a fatal error, or backup unit
temperature exceeded allowed maximum. Not Present, Not Ready
Backup unit preparing the NAND flash for backup. The superca-
pacitor can take up to 10 minutes to charge to 100% from zero
charge and report Ready status. Preparing
Backup unit is ready to be enabled if NAND is prepared and super-
capacitor is charged. Ready
Green backup feature not enabled in firmware. Invalid, Not Supported
Firmware could not retrieve backup unit information or configu-
ration due to hardware issues, over-voltage, etc. Failed, Fatal
Indicates overall energy holding ability of the supercapacitor. Dead
status means that supercapacitor should be replaced. Health Normal/Low/Dead
C.4 Formatting and Verifying Disk Drives
You can use the ARC Disk Utilities tool to low-level format or verify your disk drives. (New disk drives are
low-level formatted at the factory and do not need to be low-level formatted again.)
Caution: Before you format a disk drive, back up all data. Formatting destroys all data
on a disk drive.
To format or verify 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 Format Disk or Verify Disk Media.
C.5 Locating Disk Drives
You can use the Identify Drive feature to physically locate a disk drive by blinking the LED.
Note: This feature is only available with disk drives that have an activity LED.
66 Microsemi Proprietary and Confidential. Installation and User's Guide Revision 5
Using the Microsemi Adaptec RAID Configuration Utility