Replacing The Ra4000 Controller Cache - Compaq RAID Array 4100 User Manual

4-14 Compaq StorageWorks RAID Array 4100 User Guide

Replacing the RA4000 Controller Cache

IMPORTANT: Replacing the RA4000 Controller cache with the same size cache does not
require that you power down the system. If you upgrade the cache, or reinstall a different
RA4000 Controller, you must power down the system.
1. If you will be upgrading the cache or reinstalling a different RA4000
Controller, power down the servers attached to the RA4100, then power
down the RA4100.
2. Remove the Fibre Channel cable and GBIC from the existing RA4000
Controller.
3. Squeeze the front latches
the RA4000 Controller.
4. Remove the RA4000 Controller by pulling it straight out of the
chassis .

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Figure 4-18. Removing the RA4000 Controller
5. Twist the latch that is holding the daughterboard to the RA4000
Controller 90 degrees to allow the standoff to pull through the controller
board .


and open the two ejector levers


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securing

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