Removal and replacement procedures 37
2.
Power down the failed server blade ("Power down the server blade" on page 23). If any data is
stored in the cache module, a green LED on the module flashes every 2 seconds.
CAUTION: Do not detach the cable that connects the battery pack to the cache module.
Detaching the cable causes any unsaved data in the cache module to be lost.
3. Transfer the hard drives from the failed server blade to the recovery server blade station.
4. Perform one of the following:
o If the array controller has failed, remove the cache module ("Removing the cache module" on
page 34) and battery pack ("Removing the battery pack" on page 35) from the failed array
controller, and install the cache module and battery pack on an array controller in the recovery
server blade.
o If the server blade has failed, remove the controller, cache module ("Removing the cache
module" on page 34), and battery pack ("Removing the battery pack" on page 35) from the
failed server blade, and install the controller, cache module, and battery pack in the recovery
server blade.
5. Power up the recovery server blade. A 1759 POST message is displayed, stating that valid data
was flushed from the cache. This data is now stored on the drives in the recovery server blade. You
can now transfer the drives (and controller, if one was used) to another server blade.
SD card module
To remove the component:
1. Power down the server blade (on page 23).
2. Remove the server blade (on page 24).
3. Remove the access panel ("Access panel" on page 25).
4. Remove all hard drives ("Hard drive" on page 26).
5. Remove all hard drive blanks ("Hard drive blank" on page 26).
6. Remove the hard drive backplane ("Hard drive backplane" on page 32).
7. Remove the front panel/hard drive cage assembly ("Front panel/hard drive cage assembly" on
page 33).
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