Toshiba PORTEGE M400 Maintenance Manual page 87

Appendix J Maintenance of TOSHIBA RAID
Check Media
This option can check if there is an error in the HDD of array. The Check Media can be
done only in RAID-1. To execute Check Media, follow the procedure below.
1. Put the cursor to the [Check Media] in [Main Menu] and press Enter key.
2. When [Check Range] is displayed, designate the range to be checked. When
[Effective] is limited, it makes the rebuild limit effective and execute [Check
Media] up to the rebuild limit. When [Whole] is selected, execute [Check Media]
up to the maximum capacitor of RAID array. The [Rebuild Range] menu is not
displayed when the rebuild limit is not set or the rebuild limit is the same as the
maximum capacity of array. Normally designation of [Effective] is adequate.
3. To start the Check Media, put the cursor to the [Confirmation] and press Enter
key. When an error is detected, it automatically correct.
4. During [Check Media], the progress rate, expected remaining time and the number
of errors are displayed in [Progress] of [Physical Drive], [Check Media] may take
time depending on the drive capacity.
5. When [Check Media] is completed, put the cursor on [OK] and press Enter key to
return to the menu of Independent Utility.
The date when the [Check Media] was done last is displayed in [Last MC] of [Logical
Drive]. [Last MC] is renewed when rebuilding is done. When "Rebuild Limit" is
changed or right after building RAID array, the value of [Last MC] becomes [00/00/00].
PORTEGE M400 Maintenance Manual (960-541) [CONFIDENTIAL]
Appendices
J-19