Configuring Your Server 4-39
IMPORTANT:
Note the following for the Reconstruction:
Be sure to make backup copy of data and perform Consistency
Check before starting Reconstruction.
The Reconstruction is disabled in the configuration where several
virtual disks are defined in one disk group
During Reconstruction, the processing rate is decreased due to much
load.
The Reconstruction is disabled for the degraded virtual disk. First
execute Rebuild to recover the virtual disk, then execute
Reconstruction.
During Reconstruction, do not shutdown or reboot the server. If the
server is shutdown by an unforeseen accident such as power
interruption, turn on the power again as soon as possible. The
Reconstruction is automatically restarted.
In some configuration, Background Initialize may start
automatically upon completion of reconstruction.
Ex: Migration with addition for RAID5 virtual disk
The figure below shows an example of adding a single 36GB HDD to a RAID5 virtual disk
configured with three 36GB HDDs.
36GB 36GB 36GB
[Before execution]
Capacity = 72GB
Virtual disk (RAID5)
36GB
36GB 36GB 36GB
36GB
Execute Migration with addition
Virtual disk (RAID5)
[After execution]
Capacity = 108GB
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