Technical data

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6. Disconnect all cables from the controller canister that contains the HIC.
If fiber-optic cables are present, you can use the two release levers to partially
remove the controller canister. Opening these release levers makes it easier to
press down the fiber-optic cable release tab. If the storage array is running while
you perform this replacement, do not disturb the second controller canister.
7. Remove the controller canister.
a. Unlock and pull out the release levers to release the controller canister.
b. Using the release levers and your hands, pull the controller canister out of
the controller-drive tray.
Figure 48 Removing and Reinstalling a Controller Canister
1. Release Levers
2. Controller Canister
8. Set the controller canister on a flat, static-free surface with the release levers up.
ATTENTION Possible equipment damage – The controller slot cannot remain open
for more than three minutes because of the possibility of overheating the equipment.
The controller air blocker fills the controller slot so that the equipment will not
overheat.
9. Prepare the controller air blocker by removing it from its packaging and folding it
inward at right angles so it is ready to insert into the open controller slot.