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Toshiba PORTEGE M400 User Manual

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Appendices

Appendix J Maintenance of TOSHIBA RAI

J-10 [CONFIDENTIAL]

PORTEGE M400 Maintenance Manual (960-541)

(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.