Periodic Consistency Check - NEC Express5800 series User Manual

Express5800 series

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6. Periodic Consistency Check

Make a periodic consistency check on array disks and correct inconsistency detected. Doing so

prevents a failure in rebuilding a failing physical drive. A consistency check must be made on the

whole Read section of the logical drive. This means that areas of the physical drives, which are not

usually accessed, are accessed all together. Thus, the consistency check command also enables

detection of an imminent physical drive failure. Making a periodic consistency check decreases the

multi-drive failure rate and maintains the steady operation of the array system.

Periodic consistency check can be performed by running Check Consistency command from the

command prompt. The command is for scheduling. When consistency check is scheduled and

performed, the running status including start, end, and at every 15 minutes is output to event log.

Requirements to execute the Check Consistency command

LSI Logic disk array controller must be connected.

Power Console Plus must be installed.

The MegaServ service is available.

Execute form

Format

megactrl arg1 [arg2 [arg3 [arg4 [...]]]]

(megactrl.exe is installed generally in "c:\winnt\system32" when Power Console Plus is

installed.)

IMPORTANT: Do not use any other parameters than

described below.

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