Lvm snapshot: Difference between revisions
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(New page: First, I added a new disk and did a pvcreate on it. Then I added the new disk to the same volume group that the root partition is in, namely "Ubuntu". Command to create an lvm snapshot i...) |
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Do the backup. | Do the backup. | ||
Verify the backup and disconnect the USB drive. | |||
Destroy the snapshot. | Destroy the snapshot. | ||
Revision as of 04:10, 25 June 2008
First, I added a new disk and did a pvcreate on it. Then I added the new disk to the same volume group that the root partition is in, namely "Ubuntu".
Command to create an lvm snapshot in order to do a backup of the root partition.
lvcreate -L250G -s -n root-snap /dev/Ubuntu/root
root@weasel:~# lvscan File descriptor 5 left open File descriptor 6 left open File descriptor 7 left open File descriptor 8 left open ACTIVE '/dev/vg00/big' [232.88 GB] inherit ACTIVE Original '/dev/Ubuntu/root' [226.77 GB] inherit ACTIVE '/dev/Ubuntu/swap_1' [5.88 GB] inherit ACTIVE Snapshot '/dev/Ubuntu/root-snap' [250.00 GB] inherit
Connect the USB drive where the backup will be stored.
Do the backup.
Verify the backup and disconnect the USB drive.
Destroy the snapshot.