i.
PV相關指令
ii.
pvcreate : 將實體磁碟或Partition建立成PV
iii.
pvremove : 將實體磁碟或Partition移除PV屬性
iv.
pvscan : 搜尋系統內具有PV屬性的磁碟
v.
pvdisplay : 顯示PV狀態
vi.
pvs : 產生PV標準化輸出的資訊
vii.
建立PV
[root@JLAB ~]# pvcreate /dev/dm-{0,1,2,3,4,5}
Physical volume "/dev/dm-0" successfully created
Physical volume "/dev/dm-1" successfully created
Physical volume "/dev/dm-2" successfully created
Physical volume "/dev/dm-3" successfully created
Physical volume "/dev/dm-4" successfully created
Physical volume "/dev/dm-5" successfully created
viii.
搜尋已建立的PV
[root@JLAB ~]# pvscan
PV /dev/mapper/mpathc VG lvm2 [16.37 TiB / 16.37 TiB free]
PV /dev/mapper/mpathe VG
lvm2 [16.37 TiB / 16.37 TiB
free]
PV /dev/mapper/mpathk VG lvm2 [16.37 TiB / 16.37 TiB free]
PV /dev/mapper/mpathm VG
lvm2 [16.37 TiB / 16.37 TiB free]
PV /dev/mapper/mpathd VG lvm2 [16.37 TiB / 16.37 TiB free]
PV /dev/mapper/mpathf VG lvm2 [16.37 TiB / 16.37 TiB free]
Total: 6 [98.23 TiB] / in use: 6 [98.23
TiB] / in no VG: 0 [0 ]
ix.
顯示每個PV的個別資訊
[root@ JLAB ~]#
pvdisplay
--- Physical volume ---
PV
Name /dev/mapper/mpathc
VG
Name tsmvg
PV
Size 16.37 TiB / not
usable 8.50 MiB
Allocatable yes
PE
Size 16.00 MiB
Total PE 1072883
Free PE 27888
Allocated PE 1044995
PV
UUID
dq6H7W-DlG4-jlkZ-K5Ge-I5zY-oezf-jLukI9
--- Physical volume ---
PV
Name /dev/mapper/mpathe
VG
Name tsmvg
PV
Size 16.37 TiB / not
usable 8.50 MiB
Allocatable yes
PE
Size 16.00 MiB
Total PE 1072883
Free PE 27888
Allocated PE 1044995
PV
UUID
E4hDhH-Mkk4-TfwC-53Bc-FQ59-NUkf-tcvU7Y
--- Physical volume ---
PV
Name /dev/mapper/mpathk
VG
Name tsmvg
PV
Size 16.37 TiB / not
usable 6.25 MiB
Allocatable yes
PE
Size 16.00 MiB
Total PE 1072883
Free PE 27888
Allocated PE 1044995
PV
UUID
2N7j1y-SXOk-2ctB-Ypt1-vtdU-2MmL-1mx8pS
--- Physical volume ---
PV
Name /dev/mapper/mpathm
VG
Name tsmvg
PV
Size 16.37 TiB / not
usable 6.25 MiB
Allocatable yes
PE
Size 16.00 MiB
Total PE 1072883
Free PE 27888
Allocated PE 1044995
PV
UUID
pfnYpq-6udk-BDp8-52yI-Qhpk-XQzI-vvk1r4
--- Physical volume ---
PV
Name /dev/mapper/mpathd
VG
Name tsmvg
PV
Size 16.37 TiB / not
usable 6.75 MiB
Allocatable yes
PE
Size 16.00 MiB
Total PE 1073097
Free PE 28102
Allocated PE 1044995
PV
UUID
Bh9KpG-LkBB-W590-7MFK-Yyo9-ska7-hpqsRo
--- Physical volume ---
PV
Name /dev/mapper/mpathf
VG
Name tsmvg
PV
Size 16.37 TiB / not
usable 6.75 MiB
Allocatable yes
PE
Size 16.00 MiB
Total PE 1073097
Free PE 28102
Allocated PE 1044995
PV
UUID
zX8p2L-jraT-dBgd-oy8r-phEZ-Rtbn-gR6ED4
I.
產生PV標準化輸出的資訊
[root@JLAB
~]# pvs
PV VG Fmt
Attr PSize PFree
/dev/mapper/mpathc tsmvg lvm2 a--
16.37t 435.75g
/dev/mapper/mpathd tsmvg lvm2 a--
16.37t 439.09g
/dev/mapper/mpathe tsmvg lvm2 a--
16.37t 435.75g
/dev/mapper/mpathf tsmvg lvm2 a--
16.37t 439.09g
/dev/mapper/mpathk tsmvg lvm2 a--
16.37t 435.75g
/dev/mapper/mpathm tsmvg lvm2 a--
16.37t 435.75g
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