: http://linux.vbird.org/linux_basic/0420quota.php#lvm
( }0 j9 |3 q1 ?, p+ F http://linux.vbird.org/linux_basic/0230filesystem.php#gdisk1 E2 a9 ~2 g V P5 B4 O% X# G
3 [- w! ^* F% R" E' f" w[敶扳曉之LV摰寥]) ?. @5 V1 {. O$ A
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8 v; m6 X+ f) C) w1) lvextend -l 178813 /dev/11HD_vg/11HD_lv * S3 a2 k. O8 p- x' }( D
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8 G. B# {% M$ p8 z178813舀炬憭抒size,憒2.7T=178813 PE, 1 PE=16MB
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; E K; {" W9 n% z2)lvresize -l 1966943 /dev/11HD_vg/11HD_lv5 Z# y3 n; h; x$ c
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1966943臬憭批蝮編ize,憒30T=1966943 PE , 臭誑 vgdisplay 11HD_vg 亦桀 vg 閰喟敦鞈,咨otal size and free size ,桐賣 PE
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9 T0 \: q9 f$ v4 d3 A, n0 ]3)resize2fs /dev/11HD_vg/11HD_lv; O3 B6 V; g C/ I7 Z: J
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P.S憒曆迷disk隞,雿輻 yum install gdisk 摰鋆
7 l2 m$ ~. {. k% W }! o- u7 b( j8 I0 I雿輻 gdisk 脩,
' P7 q, c8 u M! m0 O3 |Hex code or GUID (L to show codes, Enter = 8300): 頛詨8e00 ===> LVM (logical volumn manager)+ d8 p) y5 g; k: q" }. V# \) I D
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[蝘駁小v]" s# F4 `2 J6 H e1 \: Y: z$ n
pvscan or pvdisplay 瘥蝖祉憿舐內:
& d4 X3 A% B" A- N+ GCouldn't find device with uuid WWeM0m-MLX2-o0da-tf7q-fJJu-eiGl-e7UmM3
5 q* U X# x0 P, j: }3 uPV Name unknown device
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8 Z6 P1 }* V5 Y! ? h望潛′蝣瘥,蝝汲G,甇日蝘駁 PV:
3 @: O8 j, q6 I, l2 q$ I4 Vvgreduce --removemissing --force 11HD_vg #雿銋 LV芷,撱 LV; q( A7 F6 m! W8 t: w" ~
pvscan or pvdisplay 撠曹憿舐內 "unknown device"2 S) D( ^* O: `7 X" s! ]3 O
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# H; s+ b. Z& Z, @4 e Y[憒雿mount 撌脣冽潔憿蝖祉找LVMpartition]
* S6 A' |/ M! @( \/ J5 @2 `#pvscan
1 h' d2 M6 @/ N; Z4 C, s PV /dev/sdc2 VG vg_centos6 lvm2 [27.46 GiB / 0 free] <===== 曆犖唾mount LVM (撌脣冽澆仿蝖祉)
' V" R" o1 ]/ t$ [& e PV /dev/sdb2 VG vg_test lvm2 [18.92 GiB / 0 free]8 A& M9 w/ [" h) y7 Z0 q0 Y/ x) V
Total: 2 [46.39 GiB] / in use: 2 [46.39 GiB] / in no VG: 0 [0 ]1 _- i4 v( |6 x0 y4 C
3 t' R7 L. p7 P& L |#vgscan
' u$ j: ^7 b8 @. _; { Reading all physical volumes. This may take a while...
+ o0 l( R0 S% X9 Q- n7 \. S* F Found volume group "vg_centos6" using metadata type lvm2
/ P% ?+ R# a% E0 m7 \4 J Found volume group "vg_test" using metadata type lvm2
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#lvscan" X/ S0 R( g( X6 A; |( r
inactive '/dev/vg_centos6/lv_root' [21.84 GiB] inherit <====芸
- c' H- t0 M) P9 J/ [9 | inactive '/dev/vg_centos6/lv_swap' [5.62 GiB] inherit <====芸
9 c; e* W" Z6 x4 w: d ACTIVE '/dev/vg_test/lv_root' [16.98 GiB] inherit
! | M9 k- D# @1 j, r3 R ACTIVE '/dev/vg_test/lv_swap' [1.94 GiB] inherit
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#lvdisplay /dev/vg_centos6/lv_root
4 H$ z* s# o2 u& y# r9 I. m) p --- Logical volume ---
. Q& @7 r# Y: k5 q) f LV Path /dev/vg_centos6/lv_root
' [2 q3 Q0 K3 P. M LV Name lv_root! T; h* d& a* p3 d
VG Name vg_centos6# D: s/ C$ {. {6 @
LV UUID 0nFiiu-yDQG-1JUB-JI2r-uoTe-Hupi-WGisCe6 Z7 U4 j9 L2 ^
LV Write Access read/write
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LV Status unavailable <==== 銝舐' t5 Q" [6 V/ r3 N5 C0 Z
# open 1
/ ^6 n+ F1 y# W& _( G) s LV Size 21.84 GiB# G. d$ {) T) D1 o# `) ?: \6 {
Current LE 5591- h- S/ ]- {& H3 }' ]& D
Segments 12 T# O. }/ X, q3 o
Allocation inherit0 c! [+ b5 |3 H! k' x, D7 c6 V
Read ahead sectors auto
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Block device 253:20 w/ V; B) Y, d' s8 x
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暺券鋆:
* T6 O0 q H/ E7 o" g( h" Yvgchange -ay vg_centos6 <====== VG (憒 VG ==> vgchange -an vg_centos6)
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#lvscan3 }: k% z- ?2 \( @/ e: d
ACTIVE '/dev/vg_centos6/lv_root' [21.84 GiB] inherit <====撌脣鈭
4 O0 R1 D. d6 B5 W! t! F0 g ACTIVE '/dev/vg_centos6/lv_swap' [5.62 GiB] inherit <====撌脣鈭( }' E) K0 S- ^) B' C1 H- j
ACTIVE '/dev/vg_test/lv_root' [16.98 GiB] inherit1 f* C$ I# A& F
ACTIVE '/dev/vg_test/lv_swap' [1.94 GiB] inherit/ F' ~7 T1 T) t$ s' U
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mount LVM: t8 O: x, p. ^% n
mkdir /mnt/lvmdisk5 T9 h Z v7 h3 g& i1 m) `
mount /dev/vg_centos6/lv_root /mnt/lvmdisk9 H* K r& U5 J, E
憭批!
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