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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.
3.3.1.1 Explanation 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