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2011 Nov 29
2
Transfer of LVM based guests
I am investigating the procedure to follow when moving a KVM guest instance from one host to another where the guest uses LVM as its storage. As a preliminary cut I have cobbled the following together from various sources located through Google searches: 1. Log in to vmhost_old 2. Shutdown guest 3. Create an LVM snapshot of the guest volume 3.a. lvcreate -s -L 300m -n LVM_guest_snapshot guest_lv 4. Convert snapshot to a file image 4.a dd if=/dev/vhost/LVM_guest_snapshot of=/tmp/fs/LVM_guest_snapshot.img bs=4096 5. Remove the original snapshot 5.a...