[Bugs] [Bug 1198810] New: vm creation from template fails when multiple builds running concurrently
bugzilla at redhat.com
bugzilla at redhat.com
Wed Mar 4 21:03:45 UTC 2015
https://bugzilla.redhat.com/show_bug.cgi?id=1198810
Bug ID: 1198810
Summary: vm creation from template fails when multiple builds
running concurrently
Product: GlusterFS
Version: 3.6.2
Component: core
Assignee: bugs at gluster.org
Reporter: pcuzner at redhat.com
CC: bugs at gluster.org, gluster-bugs at redhat.com
Created attachment 998049
--> https://bugzilla.redhat.com/attachment.cgi?id=998049&action=edit
screenshot of ovirt events window showing the timeframe (EST) of the issue
Description of problem:
Environment - converged ovirt (3.5)+glusterfs (3.6.2)
When I create multiple vms from template I see self heal issues from a vol heal
<vol> info command, and the vm creation itself fails.
Version-Release number of selected component (if applicable):
How reproducible:
2 in 3 attempts to build using templates failed. I believe the reason 1 run
worked was the filesystem cache circumvented I/O to the gluster brick, reducing
load.
Steps to Reproduce:
1. create ovirt3.5/glusterfs 3.6.2 environment
2. create a template to use to build vms
3. Clear the cache on the converged nodes (drop_caches)
4. use the "new vm" wizard to create the 3 vms - ensuring the storage
allocation policy is clone
Actual results:
Vm creation for all 3 fail, and a vol heal command issued during the run shows
something like
[root at gprfc085 ~]# date && gluster vol heal vmdomain info
Tue Mar 3 14:41:45 EST 2015
Brick gprfc085.sbu.lab.eng.bos.redhat.com:/glusterfs/brick1/vmdomain/
/2ad90339-5c1b-4b0e-b728-3df651ecd025/images/66838053-2c16-41c7-ae54-47bd11ecf9c4/0dfb8a92-2e57-46a3-8d88-6c29419152fc
- Possibly undergoing heal
Number of entries: 1
Brick gprfc086.sbu.lab.eng.bos.redhat.com:/glusterfs/brick1/vmdomain/
/2ad90339-5c1b-4b0e-b728-3df651ecd025/images/66838053-2c16-41c7-ae54-47bd11ecf9c4/0dfb8a92-2e57-46a3-8d88-6c29419152fc
- Possibly undergoing heal
Number of entries: 1
Brick gprfc087.sbu.lab.eng.bos.redhat.com:/glusterfs/brick1/vmdomain/
/2ad90339-5c1b-4b0e-b728-3df651ecd025/images/66838053-2c16-41c7-ae54-47bd11ecf9c4/0dfb8a92-2e57-46a3-8d88-6c29419152fc
- Possibly undergoing heal
Number of entries: 1
[root at gprfc085 ~]#
Expected results:
vm creation from clone should work whenever the volume is online - if multiple
requests are made they should all work at the expense of extending the runtime
Additional info:
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