Attention:
If you need to replace more than one cable, record which two ports, canisters, and
enclosures each cable connects, so you can match the connections with the
replacement cables. The system cannot operate if the expansion enclosure
attachment SAS cabling is incorrect.
Expansion enclosure attachment SAS cables are connected only between SAS port 3
or 4 of a node canister and SAS port 1 of an expansion canister, or between SAS
ports 1 and 2 of different expansion canisters.
More information about correct expansion enclosure attachment SAS cabling can be
found in the troubleshooting description of a problem with Storwize V7000 Gen2
SAS cabling.
Procedure
To replace a SAS cable, complete the following steps.
1. Locate the connector at one end of the SAS cable that is to be removed.
2. Grasp the connector by its blue tag. Pull the tag.
3. The connector is released and slides out of the port.
4. Repeat steps 2 and 3 on the other end of the SAS cable.
5. To connect the replacement expansion enclosure attachment SAS cable, connect
each end to the vacated ports.
330 Storwize V7000 Unified: Problem Determination Guide 2073-720
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