Public bug reported:
There is a bug in libvirt in up-to-date Ubuntu 14.04.2 LTS when live
migrating a VM with a big storage attached to it - the migration fails
with "error: operation failed: migration job: unexpectedly failed". Not
sure what's the threshold for the storage size to trigger the bug, but
I can migrate a guest with 8GB storage between nodes but a guest with
30GB storage fails to migrate. This only happens when --tunnelled
parameter is passed to "virsh migrate".
# virsh migrate --live --p2p --copy-storage-inc --tunnelled ubuntuutopic-small
"qemu+tcp://lab5/system"
error: operation failed: migration job: unexpectedly failed
#on the other hand, this WORKS OK:
virsh migrate --live --p2p --copy-storage-inc ubuntuutopic
"qemu+tcp://lab6/system"
libvirt: 1.2.2-0ubuntu13.1.9
qemu: 2.0.0+dfsg-2ubuntu1.10
linux kernel: 3.13.0-46-generic #79-Ubuntu
Versions are same on both boxes.
libvirtd.conf only changed to listen on TCP and not to require
authenitcation.
Logs and the domain xml attached.
** Affects: libvirt (Ubuntu)
Importance: Undecided
Status: New
** Attachment added: "domain.xml"
https://bugs.launchpad.net/bugs/1432630/+attachment/4347081/+files/domain.xml
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https://bugs.launchpad.net/bugs/1432630
Title:
libvirt tunnelled migration fails with "migration job: unexpectedly
failed"
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