This is a regression introduced in Gluster 3.4.1 as pointed here -
http://www.gluster.org/pipermail/gluster-users/2014-January/015885.html
There is a workaround for this issue:
https://bugzilla.redhat.com/show_bug.cgi?id=1057645#c7
Marking as invalid as this is not nova bug.
** Changed in: nova
Status: Confirmed => Invalid
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https://bugs.launchpad.net/bugs/1252519
Title:
Live migration failed because of file permission changed
Status in OpenStack Compute (nova):
Invalid
Bug description:
Openstack : Havana
OS : CentOS 6.4
Shared storage with GlusterFS : /var/lib/nova/instances mounted on glusterfs
shared
Instance start up fine on node01. When live migration happen, it moved to
node02 but failed with the following error
2013-11-18 16:27:37.813 9837 ERROR nova.openstack.common.periodic_task [-]
Error during ComputeManager.update_available_resource: Unexpected error while
running command.
Command: env LC_ALL=C LANG=C qemu-img info
/var/lib/nova/instances/aa1deb40-ae1d-45e4-a37e-7b0607df372f/disk
Exit code: 1
Stdout: ''
Stderr: "qemu-img: Could not open
'/var/lib/nova/instances/aa1deb40-ae1d-45e4-a37e-7b0607df372f/disk'\n"
2013-11-18 16:27:37.813 9837 TRACE nova.openstack.common.periodic_task
Traceback (most recent call last):
2013-11-18 16:27:37.813 9837 TRACE nova.openstack.common.periodic_task File
"/usr/lib/python2.6/site-packages/nova/openstack/common/periodic_task.py", line
180, in run_periodic_tasks
2013-11-18 16:27:37.813 9837 TRACE nova.openstack.common.periodic_task
task(self, context)
The problem is with the file ownership of "console.log" and "disk".
Those file should be owned by user "qemu" and group "qemu" but after
the migration, both files are owned by root
drwxr-xr-x 2 nova nova 53 Nov 18 13:40 .
drwxr-xr-x 6 nova nova 110 Nov 18 13:43 ..
-rw-rw---- 1 root root 1546 Nov 18 13:43 console.log
-rw-r--r-- 1 root root 12058624 Nov 18 13:42 disk
-rw-r--r-- 1 nova nova 1569 Nov 18 13:42 libvirt.xml
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