'Disconnected command timeout' messages observed on SAS targets 9 and 10
(Doc ID 2091151.1)
Last updated on FEBRUARY 04, 2019
Applies to:Solaris Operating System - Version 11 11/11 to 11.3 [Release 11.0]
Information in this document applies to any platform.
T5-2 server running Oracle Solaris 220.127.116.11.1
Server firmware version 9.5.1.b
Two internal SAS drives:
The following actions were done without success:
- The drives were upgraded to their latest firmware.
- The onboard mptsas chipsets were also upgraded to their latest revision.
- The system board was replaced as well as the SAS interconnect cables.
These troubleshooting steps didn't correct the issue. Also it was observed that little IO was being placed on the drives at the time of the failure, hence this couldn't be explained as a consequence of the workload on the server.
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