AMCC 3ware 9000 Series, User Manual

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Maintaining Units
132 3ware 9000 Series Serial ATA RAID Controller User Guide
5 If the degraded unit has more than one degraded drive (for example, a
RAID 10 where both mirrored pairs each have a degraded drive), repeat
steps 3 and 4.
If rebuild scheduling is not enabled on the Scheduling page, the rebuild
process begins almost immediately in the background. If rebuild
scheduling is enabled, the unit will not start actively rebuilding until the
next scheduled time.
Note:
If you need to cancel a rebuild, you can do so by using the
Remove Drive link on the Maintenance page to remove the drive
from the unit.
Rebuilding Units through 3BM
When a RAID unit becomes degraded, it is marked as such, and the drive(s)
that failed are marked as
Not In Use in the 3BM screens.
Figure 47, shows an example of how a degraded RAID 5 unit appears in
3BM.
Figure 47. Degraded RAID 5 Array to be Rebuilt
To rebuild a unit through 3BM
1 Reboot the system and start 3BM.
A red message box informs you that the unit is degraded, and suggests
some possible approaches. Figure 48 shows an example of a degraded-
array message.