Hitachi Compute Blade 2000 User Manual page 279

Rebuilding disk arrays
Here is a procedure for rebuilding disk arrays in cases where a problem occurred on
one hard disk in a redundant disk array configuration (RAID 1, 5, 6,10).
For RAID 6, the disk array can be restored even if two hard
disks fail.
With hotspares configuration, rebuilding will work automatically when a hard disk
problem occurs. Without hotspare configuration, rebuilding will work automatically
after you replace the faulty hard disk in hot-plug.
The following is a procedure for manually rebuilding when automatically rebuilding
did not work.
1 Select Drives from the main menu.
The following screen appears:
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