Hp Insight Management Agents User Manual Page 79

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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 doing Automatic Data Recovery. During Automatic
Data Recovery, fault tolerance algorithms restore data to the replacement drive.
Wrong drive - The wrong physical drive was replaced after a physical drive failure.
Bad connect - A physical drive is not responding.
Overheating - The drive array enclosure that contains the logical drive is overheating.
The array is still functioning, but should be shut down.
Shutdown - The drive array enclosure that contains the logical drive has overheated. The
logical drive is no longer functioning.
Expanding - The logical drive is currently doing Automatic Data Expansion. During
Automatic Data Expansion, fault tolerance algorithms redistribute logical drive data to
the newly added physical drive.
Not available - The logical drive is currently unavailable. If a logical drive is expanding
and the new configuration frees additional disk space, this free space can be configured
into another logical volume. If this is done, the new volume will be set to Not Available.
Queued for expansion - The logical drive is ready for Automatic Data Expansion. The
logical drive is in the queue for expansion.
When the status is Rebuilding the following will be displayed to indicate the progress of the
operation.
Percent Rebuild Complete displays the percent complete of the rebuild. When the value reaches
100, the rebuilding process is complete. The drive array continues to operate in interim
recovery mode while the drive is rebuilding.
Rebuilding Drive identifies the physical drive that failed. The logical drive is rebuilding using
a spare drive in place of this failed drive.
When the status is Expanding the following will be displayed to indicate the progress of the
operation.
Percent Expand Complete displays the percent complete of the expansion. When a logical
volume is expanding, the drive must redistribute the logical volume data across the physical
drives. When the value reaches 100, the expansion process is complete.
Fault Tolerance displays the fault tolerance mode of the logical drive. To change the fault
tolerance mode, run the System Configuration Utility.
The following values are valid for the Logical Drive Fault Tolerance:
None - Fault tolerance is not enabled (referred to as RAID 0). If a physical drive reports
an error, the data cannot be recovered by the drive array controller.
Mirroring - For each physical drive, there is a second physical drive containing identical
data (also known as RAID 1). If a drive fails, the data can be retrieved from the mirrored
drive.
Data Guarding - One of the physical drives is used as a data guard drive and contains
the exclusive OR of the data on the remaining drives (also known as RAID 4). If a failure
is detected, the drive array controller rebuilds the data using the data guard information
plus information from the other drives.
Distributed Data Guarding - Distributed data guarding (sometimes referred to as RAID 5)
is similar to data guarding, but instead of storing the parity information on one drive, the
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