: http://linux.vbird.org/linux_basic/0420quota.php#lvm. o% E. U* `3 |6 M5 O
http://linux.vbird.org/linux_basic/0230filesystem.php#gdisk
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[敶扳曉之LV摰寥]* R+ V: X/ @' e( s
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1) lvextend -l 178813 /dev/11HD_vg/11HD_lv ) ^- _! k# p" N2 u! j' {9 q0 h
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. D& r7 R; S s7 b& A8 _178813舀炬憭抒size,憒2.7T=178813 PE, 1 PE=16MB/ b: z) a6 L. J$ Y7 H% S
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& j9 T8 w; |' x3 Z3 o& X. j+ ?4 d1 [2)lvresize -l 1966943 /dev/11HD_vg/11HD_lv
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! N) B9 E9 E* e5 H1966943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 PE7 W, m& \3 @2 h1 H# [, m, P( M: o
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3)resize2fs /dev/11HD_vg/11HD_lv7 N- _ `! L1 x. z* u' D
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P.S憒曆迷disk隞,雿輻 yum install gdisk 摰鋆" V' n" g3 f/ J0 V
雿輻 gdisk 脩, ' a4 y6 _8 l& v3 |4 `2 B
Hex code or GUID (L to show codes, Enter = 8300): 頛詨8e00 ===> LVM (logical volumn manager)6 @7 Q( P8 I7 A
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' V9 W( z. X# A2 }2 c7 s[蝘駁小v]
' f' h* Q5 K" w) {8 R5 |pvscan or pvdisplay 瘥蝖祉憿舐內:
9 d2 n$ D ]3 s. c3 g* x% y+ fCouldn't find device with uuid WWeM0m-MLX2-o0da-tf7q-fJJu-eiGl-e7UmM33 S1 j& ?) \( L0 b7 k
PV Name unknown device
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望潛′蝣瘥,蝝汲G,甇日蝘駁 PV:
7 z* [8 k& \- y: h- K7 e; x& Pvgreduce --removemissing --force 11HD_vg #雿銋 LV芷,撱 LV
+ k; S9 q2 e. k4 w" C5 qpvscan or pvdisplay 撠曹憿舐內 "unknown device"
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. f0 \$ `8 R0 ^6 G4 ~& J2 F[憒雿mount 撌脣冽潔憿蝖祉找LVMpartition]2 ] _0 u. i4 O! W% E# t
#pvscan9 o. a# F) z' G7 B) E5 T
PV /dev/sdc2 VG vg_centos6 lvm2 [27.46 GiB / 0 free] <===== 曆犖唾mount LVM (撌脣冽澆仿蝖祉)
* N2 x8 z' l. k% d PV /dev/sdb2 VG vg_test lvm2 [18.92 GiB / 0 free]' U- N* O& t E( T5 X& o
Total: 2 [46.39 GiB] / in use: 2 [46.39 GiB] / in no VG: 0 [0 ]3 m/ I. c5 D$ O
* A: k* @2 A9 Q! C& T8 V#vgscan
6 i7 _; [1 x& d* ^9 V" f1 ~ Reading all physical volumes. This may take a while...- N' e4 W" t& f. z+ {, X
Found volume group "vg_centos6" using metadata type lvm26 t' J" d" \' K8 D ?) ~. a: @2 H3 P
Found volume group "vg_test" using metadata type lvm2. G7 t0 l* f3 S" W0 \/ C
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#lvscan
8 B! W. l( L0 l9 G- X7 g: m inactive '/dev/vg_centos6/lv_root' [21.84 GiB] inherit <====芸
8 Y! l8 f. L2 P inactive '/dev/vg_centos6/lv_swap' [5.62 GiB] inherit <====芸
$ u+ F, D1 a# x7 u ACTIVE '/dev/vg_test/lv_root' [16.98 GiB] inherit( v9 p) m6 Z- C5 c: y& e
ACTIVE '/dev/vg_test/lv_swap' [1.94 GiB] inherit" k" T' ^( Z. F7 A* R$ u2 ^
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( R6 k& B2 c2 x$ z* ]#lvdisplay /dev/vg_centos6/lv_root3 y7 ^! c. `8 w6 Y
--- Logical volume ---
% Y: U. P, y$ W LV Path /dev/vg_centos6/lv_root
( S( ?! `6 K/ r7 q0 | LV Name lv_root6 |* ~7 P7 b. w- B
VG Name vg_centos6! f0 o) t' y k
LV UUID 0nFiiu-yDQG-1JUB-JI2r-uoTe-Hupi-WGisCe3 H5 ]4 }2 E/ `( Y _7 n( H/ b6 i
LV Write Access read/write
7 a* [3 a0 i# n/ K LV Creation host, time ,
! [9 N4 q/ ^/ v t) \) I5 } LV Status unavailable <==== 銝舐' M2 t, ~6 |' y, V; v: I6 u
# open 1
1 G" P: r3 B' _& G% r( i LV Size 21.84 GiB$ j" S+ Y" j7 j+ D1 v
Current LE 5591$ D; R2 i1 _& |7 J' S' ? [) q
Segments 1
9 c. z$ I/ _% r/ B9 w" s# ~" f' ` Allocation inherit7 S' }1 ^; Z, O, A& z
Read ahead sectors auto
, S0 X9 W9 D2 n; N; b# {( a0 X' [' ? - currently set to 256% `- w7 l, ?/ |9 [- g$ y/ q" T8 N+ R
Block device 253:2
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暺券鋆:. h. u/ j: ^3 x( v6 `
vgchange -ay vg_centos6 <====== VG (憒 VG ==> vgchange -an vg_centos6), }& {* f* ^5 w( z7 Y1 g
乩甈 LV:- D! ^& u: m2 x+ S8 @. s& e1 h
#lvscan
) S$ Y1 a3 g; z9 O+ L/ l4 n ACTIVE '/dev/vg_centos6/lv_root' [21.84 GiB] inherit <====撌脣鈭
; S4 G9 L2 ]( j) g$ u' i ACTIVE '/dev/vg_centos6/lv_swap' [5.62 GiB] inherit <====撌脣鈭+ _$ j$ c/ ^; C. \4 D$ K2 r
ACTIVE '/dev/vg_test/lv_root' [16.98 GiB] inherit. G/ q0 e. k5 Z" y+ O; d1 t
ACTIVE '/dev/vg_test/lv_swap' [1.94 GiB] inherit
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mount LVM:
: l* [. \; a; U, O# emkdir /mnt/lvmdisk1 s* D/ c: D o+ W' J3 ?
mount /dev/vg_centos6/lv_root /mnt/lvmdisk
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