IBM Storwize V7000 Unified Problem Determination Manual page 148

Important: If an 8-disk-drive optional expansion device in a 16-disk drive is
installed in a 12–drive-capable server, the SAS controller is installed in a PCI
riser-card assembly. Install and remove the SAS controller the same way as any
other PCI adapter. Do not use the instructions in this topic. Use the instructions in
"Installing a PCI adapter in a PCI riser-card assembly" on page 109.
To remove a ServeRAID SAS controller from a SAS riser card, complete the
following procedure.
Procedure
10. If you are instructed to return the ServeRAID SAS controller, follow all
Installing a ServeRAID SAS controller in the SAS riser-card
The following procedure is for a Tier 1 customer replaceable unit (CRU).
Replacement of Tier 1 CRUs is your responsibility. If IBM installs a Tier 1 CRU at
your request, you will be charged for the installation. Service agreements can be
purchased so that you can ask IBM to replace these units.
About this task
Note: Before running a procedure, refer to "Removing a file module to perform a
maintenance action" on page 55.
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Storwize V7000 Unified: Problem Determination Guide Version
1. To help you work safely with Storwize V7000 Unified file module, read the
safety information in "Safety" on page xi, "Safety statements" on page xiii,
and "Installation guidelines" on page 58.
2. Turn off the file module and peripheral devices, then label and disconnect
both power cords and all external cables.
3. Press down on the left and right side latches and pull the server out of the
rack enclosure until both slide rails lock.
4. Remove the cover, as described in "Removing the cover" on page 87.
5. Locate the SAS riser-card and controller assembly near the left front corner of
the server.
6. Disconnect the SAS signal cables from the connectors on the SAS controller.
7. Remove the SAS controller assembly, which includes the SAS riser card, from
the server, as described in "Removing the SAS riser-card and controller
assembly" on page 117.
8. Pull the SAS controller horizontally out of the connector on the SAS riser card.
9. If you are replacing the SAS controller card, remove the battery, but keep the
cables connected.
packaging instructions, and use any packaging materials for shipping that are
supplied to you.