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HOWTO: Create a Snapshot on LVM.
11/07/08
02:49:43 pm, by richard 
, 107 words 
Categories: Ubuntu Linux, Filing Systems, Installation and Configuration, Logical Volume Manager LVM
HOWTO: Create a Snapshot on LVM.
With Hardy all the software should already be installed.
Create a snapshot from the shell prompt. We are going to make a
- 10Gb snapshot
- called lv_snap
- of the real partition /dev/vg01/lv_home
Follow up:
We will then mount it at /mnt/snapshot
sudo lvcreate -L10G -s -n lv_snap /dev/vg01/lv_home
Ouput from lvcreate
Logical volume "lv_snap" created
sudo mkdir /mnt/snapshot
sudo mount /dev/vg01/lv_snap /mnt/snapshot
sudo mount /dev/vg01/lv_snap /mnt/snapshot
Do your backups or whatever it was you wanted to do.
sudo umount /mnt/snapshot
sudo lvremove /dev/vg01/lv_snap
sudo lvremove /dev/vg01/lv_snap
Output from lvremove
Do you really want to remove active logical volume "lv_snap"? [y/n]: y
Logical volume "lv_snap" successfully removed
Logical volume "lv_snap" successfully removed
All done 
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