Public bug reported:
Problem Description
=========================
# time virsh migrate avocado-vt-vm1-Bala qemu+ssh://9.40.192.182/system
--verbose --postcopy-after-precopy
Migration: [100 %]error: operation failed: job: unexpectedly failed
real 0m30.355s
user 0m0.100s
sys 0m0.004s
root@ltc-hab1:~# time virsh migrate avocado-vt-vm1-Bala
qemu+ssh://9.40.192.182/system --verbose
Migration: [100 %]error: operation failed: job: unexpectedly failed
real 0m30.291s
user 0m0.088s
sys 0m0.012s
---Issue---
1.Migration with option --postcopy-after-precopy should not start without
--live option. (if --postcopy option is used without --live "error: argument
unsupported: post-copy migration is not supported with non-live or paused
migration" is thrown)
2.Also from libvirt we couldn't validate whether migration happens
actually with postcopy enabled or not - as time taken with --postcopy-
after-precopy is more than precopy without it, ideally postcopy
migration should be faster.
3. In qemu we can check whether postcopy is enabled or not using "info
migrate") - can this be added as a feature in libvirt to give the status of
migration whether happens with postcopy enabled or not
---uname output---
# uname -a Linux ltc-hab1 4.4.0-28-generic #47-Ubuntu SMP Fri Jun 24 10:09:20
UTC 2016 ppc64le ppc64le ppc64le GNU/Linux
Machine Type = Habanero
Steps to Reproduce
=================================
1. Created guest with shared storage in NFS
2. Enabled ports 49152:49216 in iptables, virt_use_nfs -> on
3. Mounted the image location in destination and started migration.
4. # time virsh migrate avocado-vt-vm1-Bala qemu+ssh://9.40.192.182/system
--verbose --postcopy-after-precopy
Userspace tool common name: virsh (libvirt)
The userspace tool has the following bit modes: ppc64le
Userspace rpm: # dpkg --get-selections | grep -i libvirt
libvirt-bin install
libvirt-clients install
libvirt-daemon install
libvirt-daemon-system install
libvirt-dev:ppc64el install
libvirt0:ppc64el install python-libvirt
============
Logs
============
Sosreport - source and destination
== Comment: #8 - Madhu Pavan Kothapally <[email protected]> - 2016-08-26
05:32:11 ==
Patch sent upstream for --live flag check.
== Comment: #9 - Madhu Pavan Kothapally <[email protected]> - 2016-09-02
13:53:03 ==
two patches accepted upstream,
commit id1: 67af358d119bed1f50a81f0c826ccaf704a2a085
commit id2: 04597a7038482688fb2cc8b0b1869392f6f78016
Hi Cannonical,
Please include the above commits to fix migration with --postcopy-after-precopy
issue.
Thank you.
** Affects: libvirt (Ubuntu)
Importance: Undecided
Assignee: Taco Screen team (taco-screen-team)
Status: New
** Tags: architecture-ppc64le bugnameltc-143637 severity-high
targetmilestone-inin---
** Tags added: architecture-ppc64le bugnameltc-143637 severity-high
targetmilestone-inin---
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https://bugs.launchpad.net/bugs/1620906
Title:
[Ubuntu1610][Libvirt] Postcopy migration with --postcopy-after-precopy
option is not working as expected
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