Sun Cluster SCSI reservations

- Check SCSI 2/3 reservation

SCSI2:

# /usr/cluster/lib/sc/pgre -c pgre_inkeys -d <some did>
# /usr/cluster/lib/sc/pgre -c pgre_inresv -d <some did>


SCSI3:

# /usr/cluster/lib/sc/scsi -c inkeys -d <some did>
# /usr/cluster/lib/sc/scsi -c inresv -d <some did>