Quantum StorNext QD6000 Replacing Manual page 7

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6. Wait for the blue Controller Service Action Allowed LED to come on. For a large configuration, this indication
might take several minutes.
7. Put on antistatic protection.
8. Label each cable that is attached to the controller canister with the failed battery so that you can reconnect each
cable correctly after the controller canister is reinstalled.
ATTENTION Potential degraded performance – To prevent degraded performance, do not twist, fold, pinch,
or step on the cables. Many cables have a minimum bending radius. Check the specifications for your cables,
and do not bend any cable tighter than the minimum specified radius.
9. Disconnect all interface cables (drive connections, host connections, and Ethernet connections) from the
controller canister that has the failed battery.
If the storage array is running while you perform the controller battery replacement, do not disturb the second
controller canister.
10. Prepare the controller air blocker by removing it from the packaging and folding it inward at right angles so it is
ready to insert into the open controller slot.
Figure 3. Controller Air Blocker
11. Remove the controller canister that has the failed controller battery.
NOTE The following figure shows the controller in the bottom position within the controller-drive tray. However,
you might be removing the controller and inserting the controller air blocker in the top position. The required
actions are similar.
Replacing a Battery in the E5660 - 3