Red Hat LVM ADMINISTRATOR FOR RHEL 4.5 Administrator's Manual page 63

# pvs -v
Scanning for physical volume names
PV VG
/dev/sdb1 new_vg lvm2 a-
onFF2w-1fLC-ughJ-D9eB-M7iv-6XqA-dqGeXY
/dev/sdc1 new_vg lvm2 a-
Joqlch-yWSj-kuEn-IdwM-01S9-XO8M-mcpsVe
/dev/sdd1 new_vg lvm2 a-
yvfvZK-Cf31-j75k-dECm-0RZ3-0dGW-tUqkCS
You can use the
--segments
physical volume segment. A segment is a group of extents. A segment view can be useful if you
want to see whether your logical volume is fragmented.
The
pvs --segments
, ,
pv_fmt pv_attr pv_size
and
pv_name pvseg_size
# pvs --segments
PV VG
/dev/hda2 VolGroup00 lvm2 a-
/dev/hda2 VolGroup00 lvm2 a-
/dev/hda2 VolGroup00 lvm2 a-
/dev/sda1 vg
/dev/sda1 vg
/dev/sda1 vg
/dev/sda1 vg
/dev/sda1 vg
/dev/sda1 vg
/dev/sda1 vg
/dev/sda1 vg
/dev/sdb1 vg
/dev/sdc1 vg
/dev/sdd1 vg
/dev/sde1 vg
/dev/sdf1 vg
/dev/sdg1 vg
You can use the
pvs -a
initialized as LVM physical volumes.
# pvs -a
PV
/dev/VolGroup00/LogVol01
/dev/new_vg/lvol0
/dev/ram
/dev/ram0
/dev/ram2
/dev/ram3
/dev/ram4
Fmt Attr PSize
17.14G 17.14G
17.14G 17.09G
17.14G 17.13G
argument of the
command displays the following fields by default:
, ,
pv_free pvseg_start
within the physical volume.
Fmt Attr PSize
lvm2 a-
lvm2 a-
lvm2 a-
lvm2 a-
lvm2 a-
lvm2 a-
lvm2 a-
lvm2 a-
lvm2 a-
lvm2 a-
lvm2 a-
lvm2 a-
lvm2 a-
lvm2 a-
command to see devices detected by LVM that have not been
VG
PFree DevSize PV UUID
17.14G
17.14G
17.14G
command to display information about each
pvs
, . The display is sorted by
pvseg_size
PFree Start SSize
37.16G 32.00M
37.16G 32.00M 1172
37.16G 32.00M 1188
17.14G 16.75G
17.14G 16.75G 26
17.14G 16.75G 50
17.14G 16.75G 76
17.14G 16.75G 100
17.14G 16.75G 126
17.14G 16.75G 150
17.14G 16.75G 172
17.14G 17.14G
17.14G 17.14G
17.14G 17.14G
17.14G 17.14G
17.14G 17.14G
17.14G 17.14G
Fmt Attr PSize
--
--
--
--
--
--
--
Object Selection
,
pv_name vg_name
0 1172
16
1
0 26
24
26
24
26
24
22
4217
0 4389
0 4389
0 4389
0 4389
0 4389
0 4389
PFree
0 0
0 0
0 0
0 0
0 0
0 0
0 0
,
51