Sep
15
2008

Mounting an LVM Logical Volume in an Oracle VM Disk Image

# losetup /dev/loop0 System.img
# kpartx -a /dev/loop0
# ls -l /dev/mapper/loop0*
brw-rw—- 1 root disk 253, 0 Jul 14 19:57 /dev/mapper/loop0p1
brw-rw—- 1 root disk 253, 1 Jul 14 19:57 /dev/mapper/loop0p2

# file -s /dev/mapper/loop0p2
/dev/mapper/loop0p2: LVM2 (Linux Logical Volume Manager) , UUID: 7zKduhTHsMa3YD3t2gocYKUDGRP5QvW

# vgscan
Reading all physical volumes. This may take a while…
Found volume group “VolGroup00” using metadata type lvm2

# vgchange -a y VolGroup00
2 logical volume(s) in volume group “VolGroup00” now active

# lvdisplay
— Logical volume —
LV Name /dev/VolGroup00/LogVol00
VG Name VolGroup00
LV UUID YcNYud-4BXO-Ro6N-P7VW-yrLm-DDZT-oLGgAO
LV Write Access read/write
LV Status available
# open 0
LV Size 1.94 GB
Current LE 62
Segments 1
Allocation inherit
Read ahead sectors 0
Block device 253:2

— Logical volume —
LV Name /dev/VolGroup00/LogVol01
VG Name VolGroup00
LV UUID pSyXMZ-8TXw-fwiw-m3re-Oi3I-0fch-mJ1Q5H
LV Write Access read/write
LV Status available
# open 0
LV Size 1.91 GB
Current LE 61
Segments 1
Allocation inherit
Read ahead sectors 0
Block device 253:3

# mkdir -p /mnt/VolGroup00/LogVol00
# mount /dev/VolGroup00/LogVol00 /mnt/VolGroup00/LogVol00
# ls /mnt/VolGroup00/LogVol00
bin dev home lib lost+found misc opt root selinux sys usr
boot etc initrd lib64 media mnt proc sbin srv tmp var
#

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