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Solaris Cluster Exposing an EMC Array Special Logical Device (LUNz, VMCDB, Gatekeeper, etc ...) Can Cause Reservation Conflict Panic (Doc ID 1009278.1)

Last updated on AUGUST 06, 2020

Applies to:

Solaris Cluster - Version 3.0 to 4.3 [Release 3.0 to 4.3]
Solaris Cluster Geographic Edition - Version 3.0x to 4.3 [Release 3.0 to 4.3]
Oracle Solaris on SPARC (64-bit)
Oracle Solaris on x86-64 (64-bit)

Symptoms

Exposing EMC Array special logical device (LUNz, VMCDB, Gatekeeper, etc ...) to a clustered environment, may cause a panic, with a reservation conflict.
Refer to document 1006505.1 for assistance on identifying such logical device.

If these device are exposed to a Solaris Cluster node especially a Solaris Clustered environment, using scsi-2 Reservations, the cluster software will poll these disks (see 1008156.1).
When the cluster polls the reservation on such a disk, it may not match what the cluster expects, and the nodes may panic with a reservation conflict:

 

Changes

 

Cause

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