C-7
Cisco UCS C240 Server Installation and Service Guide
OL-25761-01
Appendix C RAID Controller Considerations
RAID Controller Migration
RAID Controller Migration
This server supports hardware RAID (mezzanine and PCIe controller cards) and embedded software
RAID. See
for which migrations are allowed and a summary of migration steps.
6. You cannot use the embedded SW RAID and HW RAID (mezzanine or PCIe card) at the same time.
7. Control of all 16 drives requires 2 PCIe-style RAID controllers.
Table C-4
RAID Controller Migration
Starting RAID Controller
Migrate to HW RAID Allowed?
Migrate to SW RAID Allowed?
None (no drives)
Onboard SCU Storage
support is Disabled in BIOS
Allowed
1.
Install card.
2.
Install cables.
Allowed
1.
Install desired upgrade
modules to motherboard.
2.
Enable SCU storage support
in BIOS.
3.
Install cables.
Embedded SW RAID
Onboard SCU Storage
support is Enabled in BIOS
Caution
Data migration from
SW RAID to HW 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
HW RAID
Onboard SCU Storage
support is Disabled in BIOS
Not applicable
Not allowed