===== Commands for DS Management =====

<box 100% blue | List DS disks:>
  [root@p550-vios1]/home/padmin# mpio_get_config -A
    Storage Subsystem worldwide name: 608e500243e2a00004ea82030
    Storage Subsystem Name = 'LUDS3512'
        hdisk#           LUN #   Ownership          User Label
        hdisk14              0   B (preferred)      TEST
    Storage Subsystem worldwide name: 608e5002ecb2c000050349b11
    Storage Subsystem Name = 'LUDS3524'
        hdisk#           LUN #   Ownership          User Label
        hdisk4               0   A (preferred)      nimsrv_b1
        hdisk5               1   B (preferred)      nimsrv_d1
        hdisk6               2   A (preferred)      tsmaix_b1
        hdisk7               3   B (preferred)      tsmaix_d1
        hdisk8               4   A (preferred)      monitor_b1
        hdisk9               5   A (preferred)      repmon_b1
        hdisk10              6   B (preferred)      repmon_d1
        hdisk11              7   A (preferred)      gpfs_aix_test_1
        hdisk12              8   B (preferred)      monitor1_b1
        hdisk13              9   A (preferred)      monitor2_b1
        hdisk15             10   B (preferred)      tsmaixbeta_b1
        hdisk16             11   A (preferred)      tsmaixbeta_d1
</box>


<box 100% blue | Concurrent access on dual VIOS for DS disks:>
  # chdev -dev hdisk22 -attr reserve_policy=no_reserve  (as padmin)
  or 
  # chdev -l hdisk22 -a reserve_policy=no_reserve  (as root)
</box>