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C-7
Cisco UCS C220 M4 Server Installation and Service Guide
OL-32473-01
Appendix C RAID Controller Considerations
RAID Controller Migration
RAID Controller Migration
This server supports hardware RAID (PCIe controller card) and embedded software RAID. See
Table C-3
for which migrations are allowed and a summary of migration steps.
Table C-3
RAID Controller Migration
Starting RAID Controller
Migrate to Hardware RAID
Allowed?
Migrate to Software RAID
Allowed?
None (no drives)
Onboard SCU storage
support is disabled in BIOS
Allowed
1.
Install card.
2.
Install cables.
Allowed
1.
(Optional) Install RAID 5 key
module to motherboard.
2.
Install cables.
3.
Enable SCU storage support
in the BIOS.
Embedded software RAID
Onboard SCU storage
support is enabled in BIOS
Caution
Data migration from
software RAID to
hardware RAID is
not
supported and could
result in data loss.
Allowed only before there is data
on the drives; data migration is not
supported.
1.
Disable SCU storage support
in BIOS.
2.
Install card.
3.
Install cables.
Not applicable
Hardware RAID
Onboard SCU storage
support is disabled in BIOS
Not applicable
Not allowed