Solaris Cluster Introduction of EMC 450F All-Flash (VMAX3 family) causing SCSI Command Timeout Storm for Clustered LDOM vdev's
Last updated on SEPTEMBER 14, 2017
Applies to:Solaris Cluster - Version 3.3 to 4.3 [Release 3.3 to 4.3]
Oracle Solaris on SPARC (64-bit)
When booting a Guest LDOM into Cluster the related EMC SAN devices generate a storm of SCSI Command Timeouts (CT's) in the Control Domain (CDOM). This can render the entire platform unusable.
The amount of these CT's is directly proportional to the number of these VDEV's allocated to the Guest LDOM.
Looks like this in CDOM:
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