Toshiba QOSMIO G20 manual Tests and Diagnostics Check of the RAID configuration

3 Tests and Diagnostics 3.3 Check of the RAID configuration

Logical Drive Information:

Displays logical drive number, RAID level, RAID status, contents and setting.

Physical Drive Information:

Displays port number, logical drive number belonged, status and disk information.

RAID level:

Displays RAID level configured.

NON:

Means that RAID is not configured. Confirming the logical drive information can check if a drive exists and check models of the drive.

RAID-0:

There are 1RAID-0 and 2RAID-0 (striping). When “RAID-0 OPTIMAL” is displayed in LD0 and LD1 in the logical drive information, it means 1RAID-0. When “RAID-0 OPTIMAL” is displayed only on the LD0, it means 2RAID-0 (striping). There is no problem in the RAID configuration, when “OPTIMAL” is displayed in the logical drive information.

RAID-1:

Indicates that 2RAID-1 (mirroring) is set. There is no problem in the RAID configuration, when “RAID-1 OPTIMAL” is displayed in the logical drive information.

not OPTIMAL:

Indicates that the RAID configuration is not optimal. See the logical drive information and physical drive information and check the condition of them.

3.3.1.1Explanation of Logical drive condition

(1)OPTIMAL: Indicates that all disks configuring RAID are normal and condition of the RAID is optimal.

(2)Degrade:Indicates that one HDD failed in the RAID-1 that has redundancy.

(3)Critical: Indicates critical condition that one HDD is failed in the RAID-0 that does not have redundancy.

“OPTIMAL” is displayed in the case of (1) and “not OPTIMAL” is displayed in the case of (2) and (3).

QOSMIO G20 Maintenance Manual (960-511) [CONFIDENTIAL] 3-9