J.3Operation of Independent utility Appendix J Maintenance of TOSHIBA RAID
(2) Display of Logical/Physical Drive
Logical Drive
The status of RAID array is displayed in Logical Drive by array. The displayed items
are follows.
Table J-2
Displayed item in Logical Drive
Explanation
Status
(Status of array)
Displays the status of array. The contents are follows.
-OPTIMAL:The array works normally.
-DEGRADE:The array is degraded.
-CRITICAL:The array is failed. It can not be used.
RAID Level
Displays the RAID level.
# of Drive Displays the number of physical drives incorporated in the array.
RAID ID Displays peculiar ID by array.
Capacity Displays the capacity of array.
Stripe Size Item that is not set item.
Write Cache
Displays the setting of drive write cache. “Enable” or “Disable” is
displayed. The default is “Enable”. This option is displayed in RAID-1
(Mirroring).
Degrade Bootup
Displays if boot OS or not when the array is degraded. “Yes” (Boot up)
or “No” (Not boot up) is displayed. The default is “Yes”. This option is
displayed in RAID-1 (Mirroring).
MBR Protection
Displays the setting of protection function of MBR (Master Boot
Record). “Enable” (Protect) or “Disable” (Not protect) can be selected.
The default is “Disable”.
When OS is installed by SetupInstructor, it is set automatically to
“Enable”. When OS is installed manually, it is set to “Enable”. If
necessary, change the setting.
S.M.A.R.T. Displays the setting of failure prediction function of drive. “Enable” or
“Disable” is displayed. The default is “Enable”.
Last MC
Displays the date when checking of media or rebuilding of array
executed last. It displays “00/00/00” right after making new array or
when the rebuild limit is changed.
J-10 [CONFIDENTIAL] QOSMIO G20 Maintenance Manual (960-511)