[Gluster-devel] add-brick crashes client

Emmanuel Dreyfus manu at netbsd.org
Fri Aug 3 05:13:02 UTC 2012

On Fri, Aug 03, 2012 at 04:52:11AM +0000, Emmanuel Dreyfus wrote:
> This means pthread_getspecific(synctask_key) in synctask_get() returned 
> NULL, something I cannot explain. I see the logs complain about a volume
> being down. This may be the cause of the problem since I have been able
> to do a live brick-add later, once I restarterd glusterd/glusterfsd on 
> all bricks.

Wrong, it did not succeed after the restart. I thought it did because
it did not crashed, but it just failed for another reason (the brick
already has glusterfs extended attributes and is considered already
in use, I had to cleanup extended attrbiute to crash with add-brick 

Reading the code further, it seems that I crash here because 
is not called before 

It seems there is a race condition here. Someone knowledgable can

Emmanuel Dreyfus
manu at netbsd.org

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