HP-UX System Administrator's Guide: Logical Volume Management (762803-001, March 2014)

The current and new Volume Group parameters differ.
An update to the Volume Group IS required
New Volume Group settings:
Max LV 255
Max PV 16
Max PE per PV 6652
PE Size (Mbytes) 32
VGRA Size (Kbytes) 896
Review complete. Volume group not modified
# vgmodify -v -t vg32
Current Volume Group settings:
Max LV 255
Max PV 16
Max PE per PV 1016
PE Size (Mbytes) 32
VGRA Size (Kbytes) 176
VGRA space (Kbytes) on Physical Volumes with extents in use:
PV current -n
/dev/rdisk/disk6 896 32768
/dev/rdisk/disk5 896 32768
Summary 896 32768
Volume Group optimized settings (no PEs renumbered):
max_pv(-p) max_pe(-e) Disk size (Mb)
2 53756 1720193
3 35836 1146753
...
213 296 9473
255 252 8065
# vgmodify -v -n -t vg32
Volume Group configuration for /dev/vg32 has been saved in
/etc/lvmconf/vg32.conf
Current Volume Group settings:
Max LV 255
Max PV 16
Max PE per PV 1016
PE Size (Mbytes) 32
VGRA Size (Kbytes) 176
VGRA space (Kbytes) on Physical Volumes with extents in use:
PV current -n
/dev/rdisk/disk6 896 32768
/dev/rdisk/disk5 896 32768
Summary 896 32768
Physical Extent zero is not free on all PVs. You will not achieve these
values until the first extent is made free (see pvmove(1M)) on all the
following disks:
/dev/rdisk/disk6
/dev/rdisk/disk5
Volume Group optimized settings (PEs renumbered lower):
max_pv(-p) max_pe(-e) Disk size (Mb)
61 65535 2097152
62 65532 2097056
...
252 16048 513568
255 15868 507808
2. Based on the output of vgmodify -n -t, choose 255 for max_pv and 15868 for max_pe.
3. Since the new values require physical extent 0 to be free, use pvmove to move it to another
location:
# pvmove /dev/disk/disk5:0 /dev/disk/disk5
Transferring logical extents of logical volume "/dev/vg32/lvol2"...
Physical volume "/dev/disk/disk5" has been successfully moved.
Volume Group configuration for /dev/vg32 has been saved in
3.3 Common LVM Tasks 63