Quantum StorNext QD6000 Replacing Manual page 8

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 more tightly than the minimum specified radius.
9. Label each of the interface cables and Ethernet cables attached to the controller canister so that you can
reconnect each cable correctly after you reinstall the controller canister.
10. Disconnect all of the interface cables and Ethernet cables from the failed controller canister without disturbing the
other canister.
11. If the failed controller canister contains a Fibre Channel HIC or an InfiniBand HIC, remove the small form-factor
pluggable (SFP) transceivers (for Fibre Channel) or quad SFP (QSFP) transceivers (for InfiniBand) from the HIC
and save them for possible reuse.
12. 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.
Figure 3. Controller Air Blocker
13. Remove the failed controller canister.
NOTE The following figures show 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.
a. Unlock and pull out the release levers to release the controller canister.
4 - Replacing a Failed Controller Canister in the E5660 Controller-Drive Tray