Solaris Cluster 3.2 and later Software Quorum Feature
Last updated on FEBRUARY 23, 2017
Applies to:Solaris Cluster - Version 3.2 U2 to 4.3 [Release 3.2 to 4.3]
Oracle Solaris on SPARC (64-bit)
Oracle Solaris on x86-64 (64-bit)
This article shows how to add Software Quorum to a Solaris Cluster 3.2 or 3.3 system.
Software Quorum is a new concept introduced in Solaris Cluster 3.2 release.
It allows the cluster administrator to add a Quorum Device, a disk or lun that does not support SCSI 3 reservations properly.
Solaris Cluster uses an exclusive area on the disk that is hidden from users by the target driver.
We normally use this area for PGRe (emulated SCSI3 PGR), but with the implementation of Software Quorum
we can write the keys even if the disk does not support SCSI protocol.
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