: http://linux.vbird.org/linux_basic/0420quota.php#lvm
: t; I4 S6 U8 Q" X# V http://linux.vbird.org/linux_basic/0230filesystem.php#gdisk0 d& T3 }# a; g; G& r, x
# N( v. J0 _& h" V, Y[敶扳曉之LV摰寥]8 K# j2 H3 o& T7 z& u
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1) lvextend -l 178813 /dev/11HD_vg/11HD_lv
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8 V) I; L7 r% e6 Z3 l178813舀炬憭抒size,憒2.7T=178813 PE, 1 PE=16MB
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$ i" ^ d7 u1 i3 T2)lvresize -l 1966943 /dev/11HD_vg/11HD_lv. m X* }+ Z A/ p; ^
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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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3)resize2fs /dev/11HD_vg/11HD_lv
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4 Z1 Z8 K' G1 d% UP.S憒曆迷disk隞,雿輻 yum install gdisk 摰鋆
8 L3 ^' K! b3 s% I0 h `9 X雿輻 gdisk 脩,
, M4 I3 y* ^, T+ C5 vHex code or GUID (L to show codes, Enter = 8300): 頛詨8e00 ===> LVM (logical volumn manager) F$ M9 @( ~ u0 G P
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2 A) u- r) b' U# s7 L5 T/ i[蝘駁小v]
. S a7 J. P& [% n8 Spvscan or pvdisplay 瘥蝖祉憿舐內:% l- y8 A1 n1 z
Couldn't find device with uuid WWeM0m-MLX2-o0da-tf7q-fJJu-eiGl-e7UmM3, e+ A1 u7 R' L9 e; n; C
PV Name unknown device$ o: D7 {# i4 i% X c6 X J- E
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望潛′蝣瘥,蝝汲G,甇日蝘駁 PV:
; {: i1 C7 H% w; v1 zvgreduce --removemissing --force 11HD_vg #雿銋 LV芷,撱 LV3 j8 _' ?& A% f1 d
pvscan or pvdisplay 撠曹憿舐內 "unknown device"
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[憒雿mount 撌脣冽潔憿蝖祉找LVMpartition]
' }9 j7 {7 c6 Q#pvscan6 Q# F) t9 ~1 q
PV /dev/sdc2 VG vg_centos6 lvm2 [27.46 GiB / 0 free] <===== 曆犖唾mount LVM (撌脣冽澆仿蝖祉)3 Y4 I' z/ I( N4 M7 E
PV /dev/sdb2 VG vg_test lvm2 [18.92 GiB / 0 free] Z! @) j0 ]9 i1 {
Total: 2 [46.39 GiB] / in use: 2 [46.39 GiB] / in no VG: 0 [0 ]
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" c: X9 S+ N8 [3 r#vgscan* s# @+ e( E$ Z) ^( B% O0 }( J- ~" q
Reading all physical volumes. This may take a while...
! D5 `! J4 N/ U4 }+ V) v! S) J Found volume group "vg_centos6" using metadata type lvm2
8 A6 |& l: t6 V& v+ X0 ~/ k" S Found volume group "vg_test" using metadata type lvm2
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#lvscan# }# g3 t8 G. k4 N4 i1 \& Y7 \
inactive '/dev/vg_centos6/lv_root' [21.84 GiB] inherit <====芸/ B* s& x! W. r4 n2 A' m$ U
inactive '/dev/vg_centos6/lv_swap' [5.62 GiB] inherit <====芸# {, N0 X* |5 O
ACTIVE '/dev/vg_test/lv_root' [16.98 GiB] inherit' x% B) W8 T8 K# J" H+ q( ?4 S- r% w* E
ACTIVE '/dev/vg_test/lv_swap' [1.94 GiB] inherit
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5 V4 R! `! G, Y* m1 L$ \ M#lvdisplay /dev/vg_centos6/lv_root
* u1 U9 A' W# q/ i% | --- Logical volume ---
! e& ^% u6 m/ s! }+ d5 a LV Path /dev/vg_centos6/lv_root8 R$ Z: L; {3 I, H5 D7 ^1 Z
LV Name lv_root+ c4 M; P" D- i2 K5 X" v
VG Name vg_centos6 U4 o) \: ^9 W5 y, F
LV UUID 0nFiiu-yDQG-1JUB-JI2r-uoTe-Hupi-WGisCe
3 o9 G4 ` K! t5 @8 G) J* f LV Write Access read/write
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LV Status unavailable <==== 銝舐
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( S7 S) t8 E) s- Q+ B# r) k( M! n LV Size 21.84 GiB
0 p. o; J y. m, R# ~2 t Current LE 5591. C2 O! ^& }: _0 [. C' b8 ]$ H P
Segments 1
/ g5 B' p0 X+ {% K$ A$ h. d Allocation inherit* o5 x' K2 A! N; D6 V
Read ahead sectors auto
; L: r3 K& ?9 H- ^6 a - currently set to 256
& m" r' s" i) b9 Y) Q. L1 I1 V Block device 253:2' m" |+ G: K; u# n
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暺券鋆:' H, y( c% P! A0 `- N
vgchange -ay vg_centos6 <====== VG (憒 VG ==> vgchange -an vg_centos6)
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#lvscan2 g2 U- M1 k1 P2 {) j O
ACTIVE '/dev/vg_centos6/lv_root' [21.84 GiB] inherit <====撌脣鈭
1 v. v _ E! c8 E ACTIVE '/dev/vg_centos6/lv_swap' [5.62 GiB] inherit <====撌脣鈭
, v6 o: E" O2 I& s0 Z' m ACTIVE '/dev/vg_test/lv_root' [16.98 GiB] inherit4 c+ M4 I3 I3 m. X0 |
ACTIVE '/dev/vg_test/lv_swap' [1.94 GiB] inherit: w& |2 i* J. s0 M& K
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mount LVM:
2 Y$ _8 x, m% f4 v- Omkdir /mnt/lvmdisk$ Y" o7 D. w% t6 \% S' K* ^
mount /dev/vg_centos6/lv_root /mnt/lvmdisk9 }9 @% r+ p! f$ d3 {# _
憭批!7 C% ]4 l2 Y+ A3 j, C
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