[Openais] Strange behaviour of corosync
Steven Dake
sdake at redhat.com
Mon Mar 22 16:28:51 PDT 2010
On Tue, 2010-03-23 at 00:18 +0100, Andreas Mock wrote:
> -----Ursprüngliche Nachricht-----
> Von: Steven Dake <sdake at redhat.com>
> Gesendet: 22.03.2010 22:56:03
> An: Andreas Mock <Andreas.Mock at web.de>
> Betreff: Re: [Openais] Strange behaviour of corosync
>
> >
> >Thank you for going to the trouble of gathering a backtrace. This is a
> >different defect fixed in openais which we couldn't duplicate in
> >corosync. The problem is line #18 pthread_join() after an exit
> >function. This means pthread_join() was called in an atexit() handler
> >which posix is iffy on.
>
>
> Hi Steven,
>
> this error showed IMHO room for improvement at another piece of code.
> After your response I knew that the corosync process is not needed any more and
> I wanted to realease the cpu from their 200%CPU usage burden. ;-)
>
> A /etc/init.d/corosync stop ended in printing:
> Signaling Corosync Cluster Engine (corosync) to terminate: [ OK ]
> Waiting for corosync services to unload:....... many many many dots
>
> Probably the rc-script should be changed in a way that after waiting for
> corosync to stop gracefully for a certain amount of time the script
> should hit corosync with a kill -9. What do you think?
>
Andreas,
Andrew really did all the work on the init script so he should comment.
I believe it is designed to allow pacemaker to shutdown in an orderly
fashion as to not stonith the node (which may happen with a kill -9).
Regards
-steve
> Best regards
> Andreas Mock
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