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Sysadmin/Migrate virtual machine (view source)
Revision as of 20:54, 14 August 2010
, 20:54, 14 August 2010no edit summary
== How to migrate a file-based guest to LVM ==
== How to migrate a file-based guest to LVM (online method) ==
* First, create the logical volume and attach it to the running VM:
* First, create the logical volume and attach it to the running VM:
#treehouse virsh start lightwave --console
#treehouse virsh start lightwave --console
== How to migrate a file-based guest to LVM (offline method) ==
* Determine the offset of the root partition within the raw disk image:
fdisk -l -u vm.img
* Convert the start offset to bytes:
mount -o loop,offset=$((63 * 512)) vm.img /mnt/
* Then create an LV and copy over everything as in the online case
== How to migrate an LVM-based guest to another host ==
== How to migrate an LVM-based guest to another host ==