LVM Install a New Physical Volume

AIX

Installation of a New Physical Volume

1. # diag
2. Select: Task Selection
3. Select: Hot Plug Task
4. Select: SCSI and SCSI Raid Hot Plug Manager
5. Select: Attach a Device Attached to an SCSI Hot Swap Enclosure Device
6. Select: Slot # of the physical volume you wish to remove.
7. Follow the on-screen instructions to install the new physical volume.

Linux

Installation of a New Physical Volume

1. Definitions:
   1. XXX# – Device location /dev/XXX# ex. /dev/sda1
   2. GGGG – Volume group identifier
2. Partitioning the physical volume:
   1. # fdisk /dev/XXX
      1. Command (m for help): n
      2. p
      3. Partition Number (1-4): 1
      4. First cylinder(1-..., default 1): <Enter>
      5. Last cylinder(1-..., default): <Enter>
      6. Command (m for help): t
      7. Hex code (type L to list codes): 8e
      8. Command (m for help): w
3. Initialize disk for use by the LVM:

   # pvcreate /dev/XXX#

   1. If creating a new volume group.

   # vgcreate –s 32 <volume_group> /dev/XXX#

   1. If adding to an existing volume group.

   # vgextend GGGG /dev/XXX#

Further Reading

1. IBM pSeries and AIX Information Center