1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188 | @ubuntu:~# fdisk -l /dev/sda
Disk /dev/sda: 931.5 GiB, 1000204886016 bytes, 1953525168 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0x000d8608
Device Boot Start End Sectors Size Id Type
/dev/sda1 * 2048 499711 497664 243M 83 Linux
/dev/sda2 501758 1000000000 999498243 476.6G 5 Extended
/dev/sda3 1440530432 1953525167 512994736 244.6G 83 Linux
/dev/sda5 501760 999999487 999497728 476.6G 8e Linux LVM
Partition table entries are not in disk order.
@ubuntu:~# pvdisplay
--- Physical volume ---
PV Name /dev/sda5
VG Name root_vg
PV Size 512.00 GiB / not usable 3.00 MiB
Allocatable yes
PE Size 4.00 MiB
Total PE 131071
Free PE 14362
Allocated PE 116709
PV UUID OgbrGh-m632-xfDN-2LPz-YOfV-a92l-tnGdAJ
@ubuntu:~# vgdisplay
--- Volume group ---
VG Name root_vg
System ID
Format lvm2
Metadata Areas 1
Metadata Sequence No 20
VG Access read/write
VG Status resizable
MAX LV 0
Cur LV 3
Open LV 1
Max PV 0
Cur PV 1
Act PV 1
VG Size 512.00 GiB
PE Size 4.00 MiB
Total PE 131071
Alloc PE / Size 116709 / 455.89 GiB
Free PE / Size 14362 / 56.10 GiB
VG UUID 2z70QA-EyRN-2uvN-Sb5h-Kk0b-rY8q-rIfJA2
@ubuntu:~# lvdisplay
--- Logical volume ---
LV Path /dev/root_vg/root
LV Name root
VG Name root_vg
LV UUID eYiD8o-vpnf-IkCb-mvyS-L24K-J2YC-AeLzis
LV Write Access read/write
LV Creation host, time ubuntu, 2014-03-04 02:47:55 +0000
LV Status suspended
# open 0
LV Size 240.00 GiB
Current LE 61440
Segments 2
Allocation inherit
Read ahead sectors auto
- currently set to 256
Block device 252:0
--- Logical volume ---
LV Path /dev/root_vg/swap_1
LV Name swap_1
VG Name root_vg
LV UUID m0dtIk-dziE-Wcnm-PoRP-b7rU-yMFo-Cp6zqM
LV Write Access read/write
LV Creation host, time ubuntu, 2014-03-04 02:47:55 +0000
LV Status available
# open 0
LV Size 15.89 GiB
Current LE 4069
Segments 1
Allocation inherit
Read ahead sectors auto
- currently set to 256
Block device 252:1
--- Logical volume ---
LV Path /dev/root_vg/lv_var_opt
LV Name lv_var_opt
VG Name root_vg
LV UUID bwcezd-MwgU-uVDL-mnJt-J0EI-b2x8-A2C8U5
LV Write Access read/write
LV Creation host, time nimbus, 2015-03-18 03:39:40 +0000
LV Status available
# open 1
LV Size 200.00 GiB
Current LE 51200
Segments 1
Allocation inherit
Read ahead sectors auto
- currently set to 256
Block device 252:2
@ubuntu:~# pvscan
PV /dev/sda5 VG root_vg lvm2 [512.00 GiB / 56.10 GiB free]
Total: 1 [512.00 GiB] / in use: 1 [512.00 GiB] / in no VG: 0 [0 ]
@ubuntu:~# vgscan
Reading all physical volumes. This may take a while...
Found volume group "root_vg" using metadata type lvm2
@ubuntu:~# lvscan
ACTIVE '/dev/root_vg/root' [240.00 GiB] inherit
ACTIVE '/dev/root_vg/swap_1' [15.89 GiB] inherit
ACTIVE '/dev/root_vg/lv_var_opt' [200.00 GiB] inherit
@ubuntu:~# pvs
PV VG Fmt Attr PSize PFree
/dev/sda5 root_vg lvm2 a-- 512.00g 56.10g
@ubuntu:~# vgs
VG #PV #LV #SN Attr VSize VFree
root_vg 1 3 0 wz--n- 512.00g 56.10g
@ubuntu:~# lvs
LV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convert
lv_var_opt root_vg -wi-ao---- 200.00g
root root_vg -wi-s----- 240.00g
swap_1 root_vg -wi-a----- 15.89g
@ubuntu:~# dumpe2fs -h /dev/root_vg/roo
dumpe2fs 1.42.12 (29-Aug-2014)
dumpe2fs: No such file or directory while trying to open /dev/root_vg/root
Couldn't find valid filesystem superblock.
@ubuntu:~# dumpe2fs -h /dev/root_vg/lv_var_opt
dumpe2fs 1.42.12 (29-Aug-2014)
Filesystem volume name: <none>
Last mounted on: /media/ubuntu/835a2e08-3bd8-4b69-905c-4d89c94f38e1
Filesystem UUID: 835a2e08-3bd8-4b69-905c-4d89c94f38e1
Filesystem magic number: 0xEF53
Filesystem revision #: 1 (dynamic)
Filesystem features: has_journal ext_attr resize_inode dir_index filetype needs_recovery extent flex_bg sparse_super large_file huge_file uninit_bg dir_nlink extra_isize
Filesystem flags: signed_directory_hash
Default mount options: user_xattr acl
Filesystem state: clean
Errors behavior: Continue
Filesystem OS type: Linux
Inode count: 13107200
Block count: 52428800
Reserved block count: 2304246
Free blocks: 20977115
Free inodes: 13085168
First block: 0
Block size: 4096
Fragment size: 4096
Reserved GDT blocks: 1011
Blocks per group: 32768
Fragments per group: 32768
Inodes per group: 8192
Inode blocks per group: 512
RAID stride: 32744
Flex block group size: 16
Filesystem created: Wed Mar 18 03:44:05 2015
Last mount time: Thu Mar 31 22:35:13 2016
Last write time: Thu Mar 31 22:35:13 2016
Mount count: 2
Maximum mount count: -1
Last checked: Tue Mar 22 18:15:07 2016
Check interval: 0 (<none>)
Lifetime writes: 3538 GB
Reserved blocks uid: 0 (user root)
Reserved blocks gid: 0 (group root)
First inode: 11
Inode size: 256
Required extra isize: 28
Desired extra isize: 28
Journal inode: 8
Default directory hash: half_md4
Directory Hash Seed: 420fb49b-9628-4afc-9f31-c3af313ac8c0
Journal backup: inode blocks
Journal features: journal_incompat_revoke
Journal size: 128M
Journal length: 32768
Journal sequence: 0x00199921
Journal start: 1
|