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Hard Drive Replacement

Each blade has up to two front-accessible, hot-swappable, 2.5-inch drives. Unused hard drive bays should always be covered with

cover plates (N20-BBLKD) to ensure proper cooling and ventilation.

You can remove and install blade server hard drives without removing the blade server from the chassis.

The drives supported in this blade server come with the drive sled attached. Spare drive sleds are not available. A list of currently

supported drives is in the specification sheets at:

Before upgrading or adding an HDD to a running system, check the service profile in Cisco UCS Manager and make sure the new

hardware configuration will be within the parameters allowed by the service profile.

Caution

To prevent ESD damage, wear grounding wrist straps during these procedures and handle modules by the

carrier edges only.

RAID Considerations

Each blade contains an LSI SAS 2004 RAID controller embedded in the motherboard that is not separately replaceable. The controller

supports RAID 0 and 1.

If the drive being replaced was part of a RAID array, Cisco recommends using a new drive of identical size, model, and manufacturer

to replace the failed drive. This recommendation comes from the industry standard practice of using drives of the same capacity when

creating RAID volumes. If drives of different capacities are used, the useable portion of the smallest drive will be used on all drives

that make up the RAID volume.

If you ever need to move a RAID cluster from one server to another, both the old and new servers for the cluster must use the same

LSI controller. For example, migration from a server with an LSI 1064E controller to a server with an LSI MegaRAID controller is

not supported. Similarly, migrating a RAID cluster from a B200 M3 to a B420 M3 is not supported.

For hard disk and RAID troubleshooting information, see the

Removing a Blade Server Hard Drive

To remove a hard drive from a blade server, follow these steps:

http://www.cisco.com/en/US/products/ps10280/products_data_sheets_list.html

Cisco UCS Manager B-Series Troubleshooting

Guide.