Ceph

01/29/2016

12:13 AM rbd Bug #14522: RBD Snapshot locks Libvirt Disk With Active Writes

Hello Jason/Josh,
I can confirm both of those changes will fix the issue. Thanks for your assistance! Tyler Wilson

01/28/2016

12:19 AM rbd Bug #14522: RBD Snapshot locks Libvirt Disk With Active Writes

Hello,
RBD Cache is enabled in ceph.conf (rbd_cache = true, rbd_cache_size = 67108864) for the client on all hyper... Tyler Wilson

01/27/2016

11:46 PM rbd Bug #14522: RBD Snapshot locks Libvirt Disk With Active Writes

Tyler Wilson wrote:
> Hello Jason,
>
> I got the instance to lock once more and ran gdb attach $pid, then "thread... Tyler Wilson

11:37 PM rbd Bug #14522: RBD Snapshot locks Libvirt Disk With Active Writes

Hello Jason,
I got the instance to lock once more and ran gdb attach $pid, then "thread apply all bt". Attached is... Tyler Wilson

11:03 PM rbd Bug #14522: RBD Snapshot locks Libvirt Disk With Active Writes

Correct;... Tyler Wilson

09:28 PM rbd Bug #14522: RBD Snapshot locks Libvirt Disk With Active Writes

Updated ceph.conf to that document;... Tyler Wilson

08:17 PM rbd Bug #14522: RBD Snapshot locks Libvirt Disk With Active Writes

SELinux is enabled however no denies are in the audit log. I disabled SELinux and retried; same result. Tyler Wilson

07:21 PM rbd Bug #14522: RBD Snapshot locks Libvirt Disk With Active Writes

Hello Jason,
Can't seem to get the logs that you are looking for, where can I retrieve that? Here is my current ce... Tyler Wilson

06:34 PM rbd Bug #14522: RBD Snapshot locks Libvirt Disk With Active Writes

Hello Jason,
Thanks for taking assignment of this. Here is the output from creating a snapshot with debug enabled;... Tyler Wilson

01:25 AM rbd Bug #14373: Cannot reliably create snapshot after freezing QEMU IO

Having similar issue on http://tracker.ceph.com/issues/14522 Tyler Wilson