LVM: Extend an existing Volume Group by adding a new disk -

LVM: Extend an existing Volume Group by adding a new disk

# Tested on AIX 6.1

# First, verify the disk(s) to use on the VG with "lspv" or any other similar tool.
# Ensure that disk is not being used/

lspv
   hdisk0          00f7136bab316a7a                    rootvg          active
   hdisk1          00f7136b82d34d5a                    datavg          active
   hdisk2          none                                None
   hdisk3          none                                None
   hdisk4          none                                None
   hdisk5          none                                None
   hdisk6          none                                None
   hdisk7          none                                None
   hdisk8          none                                None    <----
   hdisk9          none                                None

DISK=hdisk8
VG=datavg

# Check before

lsvg $VG
   VOLUME GROUP:       datavg                   VG IDENTIFIER: 00f7136b00004c000000013782d34d78
   VG STATE:           active                   PP SIZE:        128 megabyte(s)
   VG PERMISSION:      read/write               TOTAL PPs:      103 (13184 megabytes)   <----
   MAX LVs:            512                      FREE PPs:       0 (0 megabytes)
   LVs:                2                        USED PPs:       103 (13184 megabytes)
   OPEN LVs:           2                        QUORUM:         2 (Enabled)
   TOTAL PVs:          1                        VG DESCRIPTORS: 2
   STALE PVs:          0                        STALE PPs:      0
   ACTIVE PVs:         1                        AUTO ON:        yes
   MAX PPs per VG:     130048
   MAX PPs per PV:     1016                     MAX PVs:        128
   LTG size (Dynamic): 256 kilobyte(s)          AUTO SYNC:      no
   HOT SPARE:          no                       BB POLICY:      relocatable
   PV RESTRICTION:     none                     INFINITE RETRY: no

# Add disk to VG

extendvg $VG $DISK
   0516-1254 extendvg: Changing the PVID in the ODM.

# Check after

lspv
   hdisk0          00f7136bab316a7a                    rootvg          active
   hdisk1          00f7136b82d34d5a                    datavg          active
   hdisk2          none                                None
   hdisk3          none                                None
   hdisk4          none                                None
   hdisk5          none                                None
   hdisk6          none                                None
   hdisk7          none                                None
   hdisk8          00c6b1c5fa811973                    datavg          active   <----
   hdisk9          none                                None

lsvg $VG
   VOLUME GROUP:       datavg                   VG IDENTIFIER: 00f7136b00004c000000013782d34d78
   VG STATE:           active                   PP SIZE:        128 megabyte(s)
   VG PERMISSION:      read/write               TOTAL PPs:      206 (26368 megabytes)   <----
   MAX LVs:            512                      FREE PPs:       103 (13184 megabytes)
   LVs:                2                        USED PPs:       103 (13184 megabytes)
   OPEN LVs:           2                        QUORUM:         2 (Enabled)
   TOTAL PVs:          2                        VG DESCRIPTORS: 3
   STALE PVs:          0                        STALE PPs:      0
   ACTIVE PVs:         2                        AUTO ON:        yes
   MAX PPs per VG:     130048
   MAX PPs per PV:     1016                     MAX PVs:        128
   LTG size (Dynamic): 256 kilobyte(s)          AUTO SYNC:      no
   HOT SPARE:          no                       BB POLICY:      relocatable
   PV RESTRICTION:     none                     INFINITE RETRY: no