Solaris 10 - After Sun Cluster node reboot Server lost access to EMC DGC-VRAID LUNs under mpxio due to Scsi2 Reservation - drive not available: reserved (Doc ID 1555888.1)

Last updated on NOVEMBER 07, 2016

Applies to:

Solaris SPARC Operating System - Version 10 1/13 U11 and later
Solaris Cluster - Version 3.0 and later
Information in this document applies to any platform.
Checked for relevance on 29-Oct-2014

Symptoms

There are two Sun Cluster 3.2 nodes , with two Oracle Qlogic FC HBAs (PN 371-4017) , connected to a SAN, accessing two EMC "DGC-VRAID" arrays,
both servers accessing to the same EMC storage controller ports and the same LUNs, two LUNs from each storage, two paths under mpxio:


On boths servers, we can see that the two LUNs from EMC storage "23b5" are seen as "drive not available: reserved"
but the other two LUNs from the second EMC storage "23b7" are fine:

Cause

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