Symantec Veritas Cluster hang while issuing SCSI persistent reserve out (PROUT) to storage target (Doc ID 2178464.1)

Last updated on SEPTEMBER 01, 2016

Applies to:

Solaris Operating System - Version 11.2 to 11.3 [Release 11.0]
Information in this document applies to any platform.

Symptoms

System hang can happen while issuing SCSI Persistent Reserve Out (PROUT) to storage target.
Symantec Veritas Custer Server is known to use PROUT.

Shoud the issue happen, I/O is found to be blocked in the SCSI driver layer

 This issue happens in emlxs and qlc drivers.

Cause

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