Remove Controller Canister - Fujitsu ETERNUS AB Series Hardware Maintenance Manual

• Unmount all file systems associated with volumes on the array.
Note: The exact steps to stop host I/O operations depend on the host operating system and the
configuration, which are beyond the scope of these instructions. If you are not sure how to stop host I/O
operations in your environment, consider shutting down the host.
Attention: Possible data loss – If you continue this procedure while I/O operations are occurring,
the host application might lose access to the data because the storage is not accessible.
4. Wait for any data in cache memory to be written to the drives.
The green Cache Active LED on the back of each controller is on when cached data needs to be written to
the drives. You must wait for this LED to turn off.
5. From the Home page of SANtricity System Manager, select View Operations in Progress. Wait for all
operations to complete before continuing with the next step.
What to do next
Go to Remove controller

Remove controller canister

You remove the controller canister so you can replace the failed fan with a new one. Disconnect all the cables
then you can slide the controller out of the controller shelf.
Before you begin
• You must use labels to identify each cable that is connected to the controller canister.
• You must have a #1 Phillips screwdriver.
• 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.
Attention: To prevent degraded performance, do not twist, fold, pinch, or step on the cables.
4. Confirm that the Cache Active LED on the back of the controller is off.
5. Squeeze the handles on either side of the controller, and pull back until it releases from the shelf.
6. Using two hands and the handles, slide the controller canister out of the shelf. When the front of the
controller is free of the enclosure, use two hands to pull it out completely.
canister.
| Fans |
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