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C-4

Cisco UCS C24 Server Installation and Service Guide

OL-26647-01

Appendix C RAID Controller Considerations

RAID Controller Migration

This server supports hardware RAID (PCIe controller cards) and embedded software RAID. See

Table C-4 for which migrations are allowed and a summary of migration steps.

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

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