: http://linux.vbird.org/linux_basic/0420quota.php#lvm
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[敶扳曉之LV摰寥]
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1) lvextend -l 178813 /dev/11HD_vg/11HD_lv
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; z' m& h4 ], p0 B$ C: E178813舀炬憭抒size,憒2.7T=178813 PE, 1 PE=16MB
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+ g1 W Z" [" l2)lvresize -l 1966943 /dev/11HD_vg/11HD_lv
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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 PE6 |/ T- |2 Z: J5 k! k9 q: [ g
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3)resize2fs /dev/11HD_vg/11HD_lv
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P.S憒曆迷disk隞,雿輻 yum install gdisk 摰鋆" e1 i5 Y& ~! N' [2 o8 I
雿輻 gdisk 脩, ( Y7 \# z( o3 h) @' ]$ @1 v$ x2 k
Hex code or GUID (L to show codes, Enter = 8300): 頛詨8e00 ===> LVM (logical volumn manager)- r* u y$ ]7 f$ B H' G' B. K) ^
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[蝘駁小v]
/ ^* h3 O$ h$ I: p Hpvscan or pvdisplay 瘥蝖祉憿舐內:
! N& C( @" i' p. P. TCouldn't find device with uuid WWeM0m-MLX2-o0da-tf7q-fJJu-eiGl-e7UmM3
& m& J/ X# N8 p3 f3 n. n, zPV Name unknown device/ I9 S1 D$ u- E! m
; ?" k) s4 X* r, Y望潛′蝣瘥,蝝汲G,甇日蝘駁 PV:. H- y4 v4 l& |9 E9 p0 S/ W
vgreduce --removemissing --force 11HD_vg #雿銋 LV芷,撱 LV) k# Z" d; }- d
pvscan or pvdisplay 撠曹憿舐內 "unknown device"7 X- m z' e0 H) I* f4 e5 ~
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[憒雿mount 撌脣冽潔憿蝖祉找LVMpartition]% [* b1 t; x$ @. |
#pvscan$ o0 ~9 L4 q# `) A D
PV /dev/sdc2 VG vg_centos6 lvm2 [27.46 GiB / 0 free] <===== 曆犖唾mount LVM (撌脣冽澆仿蝖祉)5 }. {4 z" z3 V, h
PV /dev/sdb2 VG vg_test lvm2 [18.92 GiB / 0 free]# H* y( ^- w5 }' Y
Total: 2 [46.39 GiB] / in use: 2 [46.39 GiB] / in no VG: 0 [0 ]
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$ x+ f4 C1 c$ h, p. J#vgscan; p: I7 S: a# D7 w, R- v8 l3 k
Reading all physical volumes. This may take a while...
% y) k$ T) |$ C: W @% f& Z Found volume group "vg_centos6" using metadata type lvm24 o" j/ }0 U1 B2 v
Found volume group "vg_test" using metadata type lvm2
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#lvscan
9 n: @ G6 g6 } inactive '/dev/vg_centos6/lv_root' [21.84 GiB] inherit <====芸( l# U7 \3 m8 C$ c
inactive '/dev/vg_centos6/lv_swap' [5.62 GiB] inherit <====芸
d0 U+ e# S7 {3 q ACTIVE '/dev/vg_test/lv_root' [16.98 GiB] inherit! W/ C! |8 X% W3 D. I2 b3 N
ACTIVE '/dev/vg_test/lv_swap' [1.94 GiB] inherit8 ~2 C( j$ }0 z ^; ` {
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; t4 \# r9 U. D* @#lvdisplay /dev/vg_centos6/lv_root
F, v/ @) Y! J7 ~ --- Logical volume ---& D5 _' m# |0 D T+ {" F9 t
LV Path /dev/vg_centos6/lv_root
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0 b5 }2 U& d" w0 q- x4 f% x' d VG Name vg_centos6+ A! {9 Y7 l$ S2 B8 B0 N8 Z
LV UUID 0nFiiu-yDQG-1JUB-JI2r-uoTe-Hupi-WGisCe
* U* X$ \; w9 _# {! K2 s LV Write Access read/write! n- C, L% O6 s. S% O- T% l$ N
LV Creation host, time ,$ o1 c, N% d K. x: w0 Y2 D
LV Status unavailable <==== 銝舐
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LV Size 21.84 GiB' ~( ?1 V) Q2 f1 ?5 p" I( W
Current LE 5591
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Allocation inherit
& U. v# R! L a {9 j( p0 | Read ahead sectors auto
/ N \7 W; Y7 f - currently set to 256
( i" ~' K U( B% I, M: `6 B) Z1 ^ Block device 253:2 m( C; N7 v/ Z& y1 X' _
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vgchange -ay vg_centos6 <====== VG (憒 VG ==> vgchange -an vg_centos6)) y2 l- L0 X* A1 W5 L: `' D
乩甈 LV:0 o$ S* Z- U$ S
#lvscan: s7 f, V" \5 ^7 B
ACTIVE '/dev/vg_centos6/lv_root' [21.84 GiB] inherit <====撌脣鈭
+ J1 T9 q( ~. B P" k( H/ G, _ ACTIVE '/dev/vg_centos6/lv_swap' [5.62 GiB] inherit <====撌脣鈭
; b7 S9 A/ e$ ~* L w ACTIVE '/dev/vg_test/lv_root' [16.98 GiB] inherit: w3 ^- I+ [- c
ACTIVE '/dev/vg_test/lv_swap' [1.94 GiB] inherit( F7 O8 D+ v6 s1 F" w, A
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mount LVM:
) f& \9 [ M( Nmkdir /mnt/lvmdisk
1 V- y: `/ c8 v' bmount /dev/vg_centos6/lv_root /mnt/lvmdisk
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