Silicon Graphics InfiniteStorage 4000 Series System Upgrade Manual page 21

Chapter 2: Upgrading Trays in the Storage Array
6. Use one of the following options to place controller A offline.
SANtricity ES
Command line interface
ATTENTION Possible data loss or corruption – Wait for the blue Controller
Service Action Allowed LED on controller A to come on before you turn off the power
to either controller; otherwise, possible data loss or corruption might occur.
7. Turn off the Power switch on both of the controller canisters.
8. Wait until all LED and seven-segment display activity on the rear of the
controller tray has stopped, and then unplug the power cords from both controller
canisters, and set the power cords aside.
9. Disconnect all of the following cables from both controller canisters.
Host interface cables
—
Drive interface cables
—
Ethernet cables
—
10. Remove both controller canisters from the controller tray as shown in the
following figures.
a. Unlock and rotate the release handles out to release the controller canister.
b. Using the release handles and your hands, pull the controller canister out of
the controller tray.
c. Set the controller canister on a flat, static-free surface with the thumbscrews
that secure the top cover to the canister facing up.
From the Hardware pane in the Array Management
Window, right-click the picture of the controller, and
select Advanced >> Place >> Offline.
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.
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