Place Controller Offline; Remove Controller Canister - Fujitsu ETERNUS AB Series Hardware Maintenance Manual

What to do next
Go to Place controller

Place controller offline

You must place the controller offline so you can safely remove and replace the DIMMs. You must back up the
configuration and collect support data first. Then, you can take the controller offline.
Before you begin
• Make sure that no volumes are in use or that you have a multipath driver installed on all hosts using these
volumes.
• Ensure you have verified the cache size of your controller and that your DIMMs need replaced.
Procedure
1. From SANtricity System Manager, review the details in the Recovery Guru to confirm that there is an issue
with a mismatched memory and to ensure no other items must be addressed first.
2. From the Details area of the Recovery Guru, determine which DIMM to replace.
3. Back up the storage array's configuration database.
If a problem occurs when you remove a controller, you can use the saved file to restore your configuration.
a) In System Manager, navigate to the support page.
b) Select the Support Center tab.
c) Select the Diagnostics tab.
d) Select Collect Support Data.
4. If the controller is not already offline, take it offline now using SANtricity System Manager.
a) Select Hardware.
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 SANtricity System Manager Unavailable message is displayed. Select Connect to an alternate
network connection to automatically access SANtricity System Manager using the other controller.
5. Wait for SANtricity System Manager to update the controller's status to offline.
Attention: Do not begin any other operations until after the status has been updated.
What to do next
Go to Remove controller

Remove controller canister

You remove the failed controller canister so you can replace your DIMMs with new ones.
Before you begin
• You must use labels to identify each cable that is connected to the controller canister.
• You have an ESD wristband, or you have taken other antistatic precautions.
• You have prepared a flat, static free work area.
Procedure
1. Put on an ESD wristband or take other antistatic precautions.
2. Label each cable that is attached to the controller canister.
3. Disconnect all the cables from the controller canister.
offline.
canister.
| DIMMs |
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