Sun Cluster System Administration Guide for Solaris OS

ProcedureSPARC: How to Assign a New Minor Number to a Device Group (Veritas Volume Manager)

If device group registration fails because of a minor number conflict with another disk group, you must assign the new disk group a new, unused minor number. After assigning the new minor number, rerun the procedure to register the disk group as a Sun Cluster device group.

  1. Become superuser on any node of the cluster.

  2. Determine the minor numbers in use.


    # ls -l /global/.devices/node@nodeid/dev/vx/dsk/*
    
  3. Choose another multiple of 1000 not in use as the base minor number for the new disk group.

  4. Assign the new minor number to the disk group.


    # vxdg reminor diskgroup base-minor-number
    
  5. Register the VxVM disk group as a Sun Cluster device group.

    See SPARC: How to Register a Disk Group as a Device Group (Veritas Volume Manager).


Example 5–23 SPARC: How to Assign a New Minor Number to a Device Group

This example uses the minor numbers 16000-16002 and 4000-4001. The vxdg reminor command is used to assign the base minor number 5000 to the new device group.


# ls -l /global/.devices/node@nodeid/dev/vx/dsk/*

/global/.devices/node@nodeid/dev/vx/dsk/dg1
brw-------   1 root     root      56,16000 Oct  7 11:32 dg1v1
brw-------   1 root     root      56,16001 Oct  7 11:32 dg1v2
brw-------   1 root     root      56,16002 Oct  7 11:32 dg1v3
 
/global/.devices/node@nodeid/dev/vx/dsk/dg2
brw-------   1 root     root      56,4000 Oct  7 11:32 dg2v1
brw-------   1 root     root      56,4001 Oct  7 11:32 dg2v2
# vxdg reminor dg3 5000