abg-ng linux # pvdisplay 
  --- Physical volume ---
  PV Name               /dev/sda5
  VG Name               vg
  PV Size               101.94 MB / not usable 1.94 MB
  Allocatable           yes (but full)
  PE Size (KByte)       4096
  Total PE              25
  Free PE               0
  Allocated PE          25
  PV UUID               MiLwIY-D4Wc-39oN-CXpw-Yszo-Iz8m-rTCeK0
   
  --- Physical volume ---
  PV Name               /dev/sda6
  VG Name               vg
  PV Size               101.94 MB / not usable 1.94 MB
  Allocatable           yes 
  PE Size (KByte)       4096
  Total PE              25
  Free PE               2
  Allocated PE          23
  PV UUID               LbmCCF-J1Rr-sTeE-dUX6-M1Xc-ims7-2aRcAB
   
  --- NEW Physical volume ---
  PV Name               /dev/sda7
  VG Name               
  PV Size               243.14 MB
  Allocatable           NO
  PE Size (KByte)       0
  Total PE              0
  Free PE               0
  Allocated PE          0
  PV UUID               O0D4fi-LXXY-9U9h-xmcc-5Nak-MCHg-ad6wAX

abg-ng linux # pvcreate /dev/sda7
  Physical volume "/dev/sda7" successfully created

abg-ng linux # vgextend vg /dev/sda7
  Volume group "vg" successfully extended

abg-ng linux # pvmove -v /dev/sda5
    Wiping cache of LVM-capable devices
    Finding volume group "vg"
    Archiving volume group "vg" metadata (seqno 4).
    Creating logical volume pvmove0
    Moving 25 extents of logical volume vg/test
    Found volume group "vg"
    Updating volume group metadata
    Creating volume group backup "/etc/lvm/backup/vg" (seqno 5).
    Found volume group "vg"
    Found volume group "vg"
    Suspending vg-test (254:0) without device flush
    Found volume group "vg"
    Creating vg-pvmove0
    Loading vg-pvmove0 table
    Resuming vg-pvmove0 (254:1)
    Found volume group "vg"
    Loading vg-pvmove0 table
    Suppressed vg-pvmove0 identical table reload.
    Loading vg-test table
    Resuming vg-test (254:0)
    Checking progress every 15 seconds
  /dev/sda5: Moved: 100.0%
    Found volume group "vg"
    Found volume group "vg"
    Loading vg-test table
    Suspending vg-test (254:0) without device flush
    Suspending vg-pvmove0 (254:1) without device flush
    Found volume group "vg"
    Found volume group "vg"
    Found volume group "vg"
    Resuming vg-pvmove0 (254:1)
    Found volume group "vg"
    Resuming vg-test (254:0)
    Found volume group "vg"
    Removing vg-pvmove0 (254:1)
    Found volume group "vg"
    Removing temporary pvmove LV
    Writing out final volume group after pvmove
    Creating volume group backup "/etc/lvm/backup/vg" (seqno 7).

abg-ng linux # pvdisplay 
  --- Physical volume ---
  PV Name               /dev/sda5
  VG Name               vg
  PV Size               101.94 MB / not usable 1.94 MB
  Allocatable           yes 
  PE Size (KByte)       4096
  Total PE              25
  Free PE               25
  Allocated PE          0
  PV UUID               MiLwIY-D4Wc-39oN-CXpw-Yszo-Iz8m-rTCeK0
   
  --- Physical volume ---
  PV Name               /dev/sda6
  VG Name               vg
  PV Size               101.94 MB / not usable 1.94 MB
  Allocatable           yes 
  PE Size (KByte)       4096
  Total PE              25
  Free PE               2
  Allocated PE          23
  PV UUID               LbmCCF-J1Rr-sTeE-dUX6-M1Xc-ims7-2aRcAB
   
  --- Physical volume ---
  PV Name               /dev/sda7
  VG Name               vg
  PV Size               243.14 MB / not usable 3.14 MB
  Allocatable           yes 
  PE Size (KByte)       4096
  Total PE              60
  Free PE               35
  Allocated PE          25
  PV UUID               99nRrw-ducS-IY34-avhv-93Rx-cg1Y-MW6DlM

abg-ng linux # vgreduce vg /dev/sda5
  Removed "/dev/sda5" from volume group "vg"

abg-ng linux # pvdisplay 
  --- Physical volume ---
  PV Name               /dev/sda6
  VG Name               vg
  PV Size               101.94 MB / not usable 1.94 MB
  Allocatable           yes 
  PE Size (KByte)       4096
  Total PE              25
  Free PE               2
  Allocated PE          23
  PV UUID               LbmCCF-J1Rr-sTeE-dUX6-M1Xc-ims7-2aRcAB
   
  --- Physical volume ---
  PV Name               /dev/sda7
  VG Name               vg
  PV Size               243.14 MB / not usable 3.14 MB
  Allocatable           yes 
  PE Size (KByte)       4096
  Total PE              60
  Free PE               35
  Allocated PE          25
  PV UUID               99nRrw-ducS-IY34-avhv-93Rx-cg1Y-MW6DlM
   
  --- NEW Physical volume ---
  PV Name               /dev/sda5
  VG Name               
  PV Size               101.94 MB
  Allocatable           NO
  PE Size (KByte)       0
  Total PE              0
  Free PE               0
  Allocated PE          0
  PV UUID               MiLwIY-D4Wc-39oN-CXpw-Yszo-Iz8m-rTCeK0
   
abg-ng linux # pvremove /dev/sda5
  Labels on physical volume "/dev/sda5" successfully wiped

abg-ng linux # pvdisplay 
  --- Physical volume ---
  PV Name               /dev/sda6
  VG Name               vg
  PV Size               101.94 MB / not usable 1.94 MB
  Allocatable           yes 
  PE Size (KByte)       4096
  Total PE              25
  Free PE               2
  Allocated PE          23
  PV UUID               LbmCCF-J1Rr-sTeE-dUX6-M1Xc-ims7-2aRcAB
   
  --- Physical volume ---
  PV Name               /dev/sda7
  VG Name               vg
  PV Size               243.14 MB / not usable 3.14 MB
  Allocatable           yes 
  PE Size (KByte)       4096
  Total PE              60
  Free PE               35
  Allocated PE          25
  PV UUID               99nRrw-ducS-IY34-avhv-93Rx-cg1Y-MW6DlM
   
abg-ng linux # vgreduce vg /dev/sda7
  Physical volume "/dev/sda7" still in use