: http://linux.vbird.org/linux_basic/0420quota.php#lvm& r7 f8 A9 ]$ n( S5 E4 B8 {
http://linux.vbird.org/linux_basic/0230filesystem.php#gdisk
3 r& ~5 z4 i. J% N
$ ]9 I7 v/ c% G D2 t/ M. e[敶扳曉之LV摰寥]
! b# Y9 @2 u: `7 E, Q, y4 _6 e* e V. n
6 P6 Y8 d* m" D3 \8 v
1) lvextend -l 178813 /dev/11HD_vg/11HD_lv
6 F/ P) C: [9 R% W- B- A( Y9 p- [+ o5 p0 X- }! r
8 E r% b% u- `, s+ F7 H) b+ i178813舀炬憭抒size,憒2.7T=178813 PE, 1 PE=16MB
( B1 g& m4 Q& o, N' {2 s" A, w( [: W! ^
; c% q1 k% b; X( C+ ]5 h _' D
2)lvresize -l 1966943 /dev/11HD_vg/11HD_lv$ }: A$ \5 `1 X+ _7 h
8 W0 t Z& y( |) p$ m0 R( Z
3 g. N4 {3 O# H7 O5 N/ d1966943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& K# N8 {3 J! C) K. t. z& ~/ w5 L3 z& m
; [8 O: L: l3 t5 V* a( _: f o6 c+ Z7 l! T8 I6 r( J8 H
3)resize2fs /dev/11HD_vg/11HD_lv
5 Q' a9 b! F p; ?5 b1 n; z: W$ T5 a* A/ K& ~- m
6 }7 i- B( Z% E! iP.S憒曆迷disk隞,雿輻 yum install gdisk 摰鋆
8 x. p; b. H' m- N& l/ q雿輻 gdisk 脩,
# ]& X# Q3 R$ k* IHex code or GUID (L to show codes, Enter = 8300): 頛詨8e00 ===> LVM (logical volumn manager)! E k4 @& v, q5 I* A4 B7 i, Q- W
Z% [6 P2 n+ O( I: V' P* ?' o9 s# d' e
[蝘駁小v]. A# b8 j1 I$ g2 |3 ]5 K4 `
pvscan or pvdisplay 瘥蝖祉憿舐內:
! l5 a7 x8 i" [) z# xCouldn't find device with uuid WWeM0m-MLX2-o0da-tf7q-fJJu-eiGl-e7UmM3
2 ~* }0 @! p0 ~( aPV Name unknown device
4 w: E* d2 C9 L4 o- J. @) Q
' ~9 j* Z9 y$ j望潛′蝣瘥,蝝汲G,甇日蝘駁 PV:
3 @' L9 I2 B# r$ L j- A3 p) _0 \vgreduce --removemissing --force 11HD_vg #雿銋 LV芷,撱 LV# {* d9 p* s3 x0 J
pvscan or pvdisplay 撠曹憿舐內 "unknown device"
6 r5 A2 p3 b5 W8 t2 C
i3 c9 }; B! h/ M; ~
# M" V9 Y! c( X7 e[憒雿mount 撌脣冽潔憿蝖祉找LVMpartition]
+ c' P; \6 b5 U# q8 M7 }: a+ Z#pvscan
4 x( j8 n9 t/ x3 z PV /dev/sdc2 VG vg_centos6 lvm2 [27.46 GiB / 0 free] <===== 曆犖唾mount LVM (撌脣冽澆仿蝖祉)
1 R" W! l# i7 s) m) T1 F" `9 \' f, \ PV /dev/sdb2 VG vg_test lvm2 [18.92 GiB / 0 free]
. k! }3 R/ E0 ~9 N% X Total: 2 [46.39 GiB] / in use: 2 [46.39 GiB] / in no VG: 0 [0 ]
+ R8 G7 I' Z5 Y* j g; A# k% c0 Q& |0 h/ f2 T6 w
#vgscan$ K2 r- r: Y) C1 z/ {
Reading all physical volumes. This may take a while...
3 d( E* t9 ~1 L5 } Found volume group "vg_centos6" using metadata type lvm2
3 _6 i( d$ O# I/ S6 n: c+ o Found volume group "vg_test" using metadata type lvm22 F& s% h0 M( V0 x. Q+ J. E
+ B" l* a3 L2 ^6 S. K
( ^# g& I6 V- T8 Z! H
#lvscan
" @. Q; r: T- e inactive '/dev/vg_centos6/lv_root' [21.84 GiB] inherit <====芸
2 D6 t% A# P# g% p7 }7 v inactive '/dev/vg_centos6/lv_swap' [5.62 GiB] inherit <====芸
2 o T) v' }. f ACTIVE '/dev/vg_test/lv_root' [16.98 GiB] inherit9 o6 F8 @) ^" c: `
ACTIVE '/dev/vg_test/lv_swap' [1.94 GiB] inherit
, U! R. O; t% S
6 M: K0 N6 W# g o3 a2 J& l
( E% v! {% S+ v7 S( F3 ?#lvdisplay /dev/vg_centos6/lv_root u! k) f& p. K) k. ^
--- Logical volume ---- {7 D. g. p0 I/ p% z7 N
LV Path /dev/vg_centos6/lv_root) D" O8 {2 s4 L+ @
LV Name lv_root
( M- J# {$ l. ]% r$ U$ V VG Name vg_centos6
& p, m7 d: x% h, h; A LV UUID 0nFiiu-yDQG-1JUB-JI2r-uoTe-Hupi-WGisCe; I2 A# j, A1 |3 p- T a( m
LV Write Access read/write
% L. }. p+ S3 b0 {0 v5 n: C LV Creation host, time ,- ]# M+ C6 q- \* H
LV Status unavailable <==== 銝舐7 H8 V3 |+ U. [+ b; N+ ?" F: a: A, y" d
# open 1
9 R' m$ s* e1 W; q6 F LV Size 21.84 GiB
2 o6 |& t1 _$ U7 P5 ~8 ^ H6 Y Current LE 5591
0 H0 ?5 ]( x p6 M# F: N Segments 17 c$ R& B O. q% W9 I
Allocation inherit
9 Z) O" w _; v Read ahead sectors auto
3 e7 W% c2 w7 w/ O; a - currently set to 256
0 a2 x" A! E0 z Block device 253:2
9 _" y. c# u$ Y4 f+ l b
* d! j- t h. Q! _- P; |$ D' F7 I7 m3 N& X$ S
暺券鋆:
' J; J- `" R, K2 E$ j v$ i" ^vgchange -ay vg_centos6 <====== VG (憒 VG ==> vgchange -an vg_centos6)4 j, }9 V1 E% Q2 F' p# G
乩甈 LV:! k% p1 ~ j% J$ \# }
#lvscan
, C# E9 G$ b+ i/ _$ E4 I2 [ ACTIVE '/dev/vg_centos6/lv_root' [21.84 GiB] inherit <====撌脣鈭# ?: O0 W( W: Q9 N4 g( c- q8 D) u/ _
ACTIVE '/dev/vg_centos6/lv_swap' [5.62 GiB] inherit <====撌脣鈭
3 a7 n' }$ r+ j% y* `9 D( z ACTIVE '/dev/vg_test/lv_root' [16.98 GiB] inherit! }8 q5 q1 F1 d* K4 Q, z
ACTIVE '/dev/vg_test/lv_swap' [1.94 GiB] inherit- d& R/ n5 q! D- W2 _+ c0 `
l; d$ w7 H; s$ {! H: Z2 J' z+ f0 [7 w$ N" o3 l' E: D
mount LVM:
, {) G j; ^" F* x6 q& Z9 C8 Imkdir /mnt/lvmdisk: Z$ {+ l/ k1 F
mount /dev/vg_centos6/lv_root /mnt/lvmdisk9 w* e: q0 k5 W/ f. P# y
憭批!
# v7 x% n9 i8 L. s! e
4 J- ]' z4 S+ S& E$ ^! A
8 Q5 W1 M, x! A8 Y9 n9 I |
|