Exporting a Logical Volume as a virtual SCSI disk

Dynamic Multi-Pathing (DMP) supports vSCSI disks backed by a Logical Volume. Export the Logical Volume as a vSCSI disk to the VIO client.

To export a Logical Volume as a vSCSI disk

  1. Create the volume group.
    $ mkvg -vg brunovg ibm_ds8000_0292 ibm_ds8000_0293 
    brunovg 

    The following command displays the new volume group:

    $ lsvg -pv brunovg 
    brunovg: 
    PV_NAME         PV STATE TOTAL PPs FREE PPs FREE DISTRIBUTION 
    ibm_ds8000_0292 active   494       494      99..99..98..99..99 
    ibm_ds8000_0293 active   494       494      99..99..98..99..99
  2. Make a logical volume in the volume group.
    $ mklv -lv brunovg_lv1 brunovg 1G 
    brunovg_lv1

    The following command displays the new logical volume:

    $ lsvg -lv brunovg 
    brunovg: 
    LV NAME       TYPE   LPs   PPs   PVs  LV STATE      MOUNT POINT 
    brunovg_lv1   jfs    256   256   1    closed/syncd  N/A 
  3. Assign the logical volume as a backing device.
    $ mkvdev -vdev brunovg_lv1 -vadapter  vhost0 
    vtscsi4 Available 
  4. Use the following command to display the configuration.
    $ lsmap -all
    SVSA           Physloc                   Client Partition ID 
    -------------- ------------------------- ------------------ 
    vhost0         U9117.MMA.0686502-V2-C11  0x00000000 
    VTD                  vtscsi0 
    Status               Available 
    LUN                  0x8100000000000000 
    Backing device       ibm_ds8000_0337 
    Physloc 
    
    VTD                  vtscsi1 
    Status               Available 
    LUN                  0x8200000000000000 
    Backing device       ibm_ds8000_02c1 
    Physloc 
    
    VTD                  vtscsi2 
    Status               Available 
    LUN                  0x8300000000000000 
    Backing device       ibm_ds8000_029a 
    Physloc 
    
    VTD                  vtscsi3 
    Status               Available 
    LUN                  0x8400000000000000 
    Backing device       ibm_ds8000_0288 
    Physloc 
    
    VTD                  vtscsi4 
    Status               Available 
    LUN                  0x8500000000000000 
    Backing device       brunovg_lv1 
    Physloc