Technical data

Chapter 2: Upgrading Trays in the Storage Array 61
3. Put on antistatic protection.
ATTENTION Potential degraded performance – To prevent degraded
performance, do not twist, fold, pinch, or step on fiber-optic cables. Do not bend the
fiber-optic cables tighter than a 5-cm (2-in.) radius.
4. Label each cable that is attached to the controller canister so that you can
reconnect the cables correctly after the controller canister is reinstalled.
5. Record the information from the seven-segment display on the rear of the
controller tray.
6. 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 LEDs to come on.
Figure 43 Controller Service Action LEDs
1. Controller Service Action Allowed LED (Blue)
2. 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.