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## Install the RAID Expansion Module

1. Orient the RAID expansion module into position over the slot, with the rubber press point side closest to the lever.
2. Slide one side of the RAID expansion module under the plastic lip in the module holder.
3. Lower the other side of the RAID expansion module down, and then press on the rubber press point to seat the module into the slot.

   The lever should lower itself down into position when the module is fully seated.

4. Install the main module back into the server.

   See Install the Main Module.

5. Determine if you originally had RAID volumes set up on your server before you replaced the RAID expansion module.
   - If you did not originally have RAID volumes set up on your server, you do not have to perform any other procedures in this topic.
   - If you did have RAID volumes set up on your server, continue to Step 6 to activate those RAID volumes again after replacing the RAID expansion module.
6. Disable auto-boot in OBP and enter the OBP environment after you have powered the server back on.
7. At the Oracle OBP prompt, use the `show-devs` command to list the device paths on the server:

       ok show-devs
       ...
       /pci@700/pci@1/pci@0/pci@0/@0
       ...
       /pci@400/pci@1/pci@0/pci@0/@0
       ...

   You can also use the `devalias` command to locate device paths specific to your server:

       ok devalias
       ...
       scsi1                  /pci@700/pci@1/pci@0/pci@0/@0
       ...
       scsi0                  /pci@400/pci@1/pci@0/pci@0/@0
       ...

8. Use the `select` command to choose the RAID expansion module that you just replaced:

       ok select rem

   where rem is either the full device path name (such as `/pci@700/pci@1/pci@0/pci@0/@0`) or the alias name (such as `scsi1`).

9. List all connected logical RAID volumes to determine which volumes are in an inactive state:

       ok show-volumes

10. For every RAID volume that is listed as inactive, enter the following command to activate those volumes:

        ok inactive-volume activate-volume

    where inactive-volume is the name of the RAID volume that you are activating.

    Note - For more information on configuring hardware RAID on the server, refer to the SPARC T3 Series Servers Administration Guide.

##### Related Information

- Remove the RAID Expansion Module

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