[CentOS-virt] Issues with live KVM migration

Daznis daznis at gmail.com
Fri Mar 9 10:13:05 UTC 2018


Hello,



I have been trying to livemigrate one of our KVM machines that has a
local storage device, but it's failing. With error: error: internal
error: unable to execute QEMU command 'migrate': this feature or
command is not currently supported .


After a bit of indepths look. I found out that local disk migration is
not enabled with qemu-kvm-ev package.


I have also tried to save a bit on downtime by creating a disk
snapshot and just copy it over to new node, but live disk snapshots
are also disabled.


virsh snapshot-create vrt1-int-fr --disk-only --atomic
error: Operation not supported: live disk snapshot not supported with
this QEMU binary


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