Hp Insight Management Agents User Manual Page 93

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Not Preserved - No Drive Support—The statistics are not saved across power cycles because
the physical drive does not contain a unique identifier to save it.
Not Preserved - No Software Support—The statistics are not saved across power cycles because
software does not provide support.
Unknown—The Storage Agents cannot determine the status. You may need to upgrade your
driver software or Storage Agents.
SCSI logical drives
Select a SCSI logical drive from the SCSI controller submenu to display the following information.
The following values are valid:
Status—Shows the status of the physical drive selected.
OK—The logical drive is in normal operation mode. No user action is required.
Failed—There are more failed physical drives than the fault tolerance mode of the logical
drive can handle without data loss.
Unconfigured—The logical drive is not configured. Run the logical drive configuration
utility to configure the logical drive.
Recovering—The logical drive is using Interim Recovery Mode. In Interim Recovery Mode,
at least one physical drive has failed, but the logical drive’s fault tolerance mode lets the
logical drive continue to operate with no data loss. You should replace the failed drive
as soon as possible.
Ready for Rebuild—The logical drive is ready for Automatic Data Recovery. The physical
drive that failed has been replaced, but the logical drive is still operating in Interim
Recovery Mode.
Rebuilding—The logical drive is currently re-synchronizing the data across the physical
drives in the logical drive.
Wrong Drive—The wrong physical drive was replaced after a physical drive failure. You
must return the drive incorrectly replaced and replace the failed drive.
Bad Connection—A physical drive is not responding. Check the cables connecting the
physical drive.
Degraded—The logical drive is in a degraded state.
Disabled—The logical drive is disabled. The logical drive configuration utility can enable
or disable the logical drive. Unknown—The Storage Agents cannot determine the status
of this drive. You might need to upgrade your driver software or Storage Agents.
Capacity—Displays the size of the logical drive.
Fault Tolerance—Displays the fault tolerance mode of the logical drive. The following values
are valid:
None—(RAID 0) fault tolerance is not enabled. If a physical drive reports an error, the
data cannot be recovered.
Mirroring—(RAID 1/RAID 0+1) is the highest level of fault tolerance. It is the only method
offering fault tolerance protection if no more than two physical drives are selected. Drive
mirroring creates fault tolerance by storing duplicate data on two drives. There must be
an even number of drives. This is the most costly fault tolerance method because it requires
50 percent of the drive capacity to store the redundant data.
Data Guarding—(RAID 4) assures data reliability while using only a small percent of the
logical drive storage capacity. A designated, single physical drive contains parity data.
If a drive fails, the controller uses the data on the parity drive and the data on the
remaining drives to reconstruct data from the failed drive. This allows the system to continue
operating with slightly reduced performance until you replace the drive.
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