b. If the graphic shows the drives, select Show back of shelf to show the controllers.
c. Select the controller that you want to place offline.
d. From the context menu, select Place offline, and confirm that you want to perform the
operation.
Note: If you are accessing SANtricity System Manager using the controller you are
attempting to take offline, a System Manager Unavailable message is displayed. Select
Connect to an alternate network connection to automatically access SANtricity System
Manager using the other controller.
• To use script editor in the EMW:
a.
Open the Enterprise Management Window (EMW) in SANtricity Storage Manager on
your local host.
b.
Select the storage array.
c.
Select Tools > Execute Script.
d.
Type one of the following commands in the text box.
For controller A: set controller [a] availability=offline
For controller B: set controller [b] availability=offline
e. Select Tools > Verify and Execute.
The system attempts to take the controller offline.
8. Wait for System Manager to update the controller's status to offline.
Attention: Do not begin any other operations until after the status has been updated.
9. Select Recheck from the Recovery Guru, and confirm that the OK to remove field in the Details
area displays Yes, indicating that it is safe to remove this component.
After you finish
Go to
Remove failed controller (duplex)
on page 22.
Remove failed controller (duplex)
You remove a controller canister to replace the failed canister with a new one. Perform this task only
if your storage array has two controllers (duplex configuration).
Steps
1. Step 1: Remove controller canister (duplex) on page 23
Remove the failed controller canister so you can replace it with a new one.
2. Step 2: Remove battery (duplex) on page 24
Remove the battery so you can install the new controller.
3. Step 3: Remove host interface card (duplex) on page 26
If the controller canister includes a host interface card (HIC), you must remove the HIC from the
original controller canister, so you can reuse it in the new controller canister.
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| Maintaining E5700 Hardware