Technical data

Chapter 2: Upgrading Trays in the Storage Array 69
3. Use the Locate Controller Tray function in the storage management software to
identify the controller canisters to upgrade.
ATTENTION Potential degraded performance – To prevent degraded
performance, do not twist, fold, pinch, or step on the fiber-optic cables. Do not bend
the fiber-optic cables tighter than a 5-cm (2-in.) radius.
4. Label each copper cable or fiber-optic cable that is attached to the controller
canister so that you can reconnect each cable correctly after the controller
canister is reinstalled.
5. Use one of the following options to place controller A offline. and wait for the
blue Controller Service Action Allowed LED to come on.
If necessary, wait for the Controller Service Action Allowed LED to come on.
Figure 47 Controller LEDs
1. Host Link 1 Service Action Required LED (Amber)
2. Host Link 2 Service Action Required LED (Amber)
3. Battery Service Action Required LED (Amber)
4. Controller Service Action Allowed LED (Blue)
5. Controller Service Action Required LED (Amber)
SANtricity ES From the Hardware pane in the Array Management
Window, right-click the picture of the controller, and
select Advanced >> Place >> Offline.
Command line interface Enter the following command on the command line:
smCLI
<DNS-network-name-or-IP-address> -c
“set controller [a]
availability=offline”;
In this command,
<DNS-network-name-or-IP-address> is
the applicable address.