Raid Controller Migration - Cisco UCS C240 Installation And Service Manual

Appendix C RAID Controller Considerations
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.

RAID Controller Migration

This server supports hardware RAID (mezzanine and PCIe controller cards) and embedded software
RAID. See
Table C-4
Starting RAID Controller
None (no drives)
Onboard SCU Storage
support is Disabled in BIOS
Embedded SW RAID
Onboard SCU Storage
support is Enabled in BIOS
HW RAID
Onboard SCU Storage
support is Disabled in BIOS
OL-25761-01
Table C-4 for which migrations are allowed and a summary of migration steps.

RAID Controller Migration

Migrate to HW RAID Allowed?
Allowed
1. Install card.
Install cables.
2.
Caution
Allowed only before there is data
on the drives; data migration is not
supported.
1. Disable SCU storage support
in BIOS.
Install card.
2.
3. Install cables.
Not applicable
Migrate to SW RAID Allowed?
Allowed
Not applicable
Data migration from
SW RAID to HW RAID
is not supported and
could result in data loss.
Not allowed
Cisco UCS C240 Server Installation and Service Guide
RAID Controller Migration
1. Install desired upgrade
modules to motherboard.
2. Enable SCU storage support
in BIOS.
3. Install cables.
C-7