Volume physical nodes in Solaris 10

On the Solaris 10 operating environment, there are two physical nodes corresponding to each volume node entry, /devices and /dev, respectively, with the same major and minor number. The physical nodes appear as follows:

  /devices raw volume node : /devices/pseudo/vxio@0:
    dgname,volname,minor_number,raw
  /devices block volume node : /devices/pseudo/vxio@0:
    dgname,volname,minor_number,blk
  /dev raw volume node : /dev/vx/rdsk/dgname/volumename
  /dev block volume node : /dev/vx/dsk/dgname/volumename

The following example provides sample values in /devices:

  vm240v1:/-> ls -l /devices/pseudo/vxio*vol1*
  brw-------   1 root     sys      302, 66000 Mar 25
  17:21 /devices/pseudo/vxio@0:mydg,vol1,66000,blk
  crw-------   1 root     sys      302, 66000 Mar 25
  17:21 /devices/pseudo/vxio@0:mydg,vol1,66000,raw

The following example provides sample values in /dev:

  vm240v1:/-> ls -l /dev/vx/*dsk/mydg/vol1
  brw-------   1 root     root     302, 66000 Mar 25 17:21 /dev/vx/dsk/mydg/vol1
  crw-------   1 root     root     302, 66000 Mar 25 17:21 /dev/vx/rdsk/mydg/vol1