Transferring a TBBU Between Controllers

The TBBU provides uninterrupted power supply to the memory module for up to 72 hours (for a 256 MB of controller cache memory) backup power and up to 48 hours (for a 512 MB cache) if power supply is unexpectedly interrupted while cached data is still present. If the controller fails as a result of a power failure, you can move the TBBU to a new controller and recover the data. The controller that replaces the failed controller must be devoid of any prior configuration.

Perform the following steps to replace a failed controller with data in the TBBU:

1Perform a controlled shutdown on the system in which the PERC 6/E is installed, as well as any attached storage enclosures.

2Remove the controller that has the TBBU currently installed from the system.

3Remove the TBBU from the controller.

4Insert the TBBU into the new controller.

See "Replace the cover of the system. For more information on closing the system, see your system’s Hardware Owner’s Manual." on page 45.

5Insert the new controller into the system.

See the relevant sections on installing controllers under "Installing the PERC 6/E and PERC 6/i Adapters" on page 41.

6Turn on the system.

The controller flushes the cache data to the virtual disks.

Installing and Configuring Hardware

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Dell UCC-60, UCP-61, UCP-60 manual Transferring a Tbbu Between Controllers
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UCP-61, UCP-60, UCC-60 specifications

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