I was considering using Heartbeat as well since this issue is isolated to Corosync.
It also appears that Corosync 1.2.6 is out which may also address the issue:
It also appears that Corosync 1.2.6 is out which may also address the issue:
* Fix problem where flight recorder leaks files in shared memory filesystem. Also clean up the error handling of the shared memory allocation code of the flight recorder.
Thank you,
Jamie Sammons
[email protected] wrote: -----
Jamie Sammons
To: [email protected]
From: Lars Ellenberg <[email protected]>
Sent by: [email protected]
Date: 07/24/2010 07:52AM
Subject: Re: [DRBD-user] DRBD MC - unstable cluster with latest corosync and pacemaker
On Sat, Jul 24, 2010 at 02:09:47PM +0200, Rasto Levrinc wrote:
>
> On Fri, July 23, 2010 10:44 pm, Jamie L Sammons wrote:
> > Environment:
> >
> >
> > CentOS 5.5
> > DRBD 8.3.8
> > Corosync 1.2.5
> > Pacemaker 1.0.9
> >
> >
> > Whenever I use DRBD MC to manage the configuration above, I run into
> > stability problems with the cluster. Here is some of the behavior I have
> > observed:
> >
> >
> > 1. Corosync crash across cluster members. When I try to restart corosync
> > I receive a Bus Error and cannot restart it until I reboot the system.
> > 2. Frequent disconnects and reconnects across the cluster members.
> > 3. Unresponsive cluster. Whenver I try to manage the cluster in DRBD MC
> > commands are ignored.
>
> Yes, the problem is that 'corosync -v' leaks shared memory in Corosync
> 1.2.5 and it happens that DRBD MC runs this command regularly to find out
> the version. Reboot clears the shared memory.
>
> For now you can remove this line from drbd-gui-helper:
> ($cs_version) = `$cs_prog -v` =~ /'(\d+\.\d+\.\d+)'/;
>
> and run DMC with --keep-helper option, or use different Corosync version.
I'd recommend to use heartbeat as the cluster communication layer.
--
: Lars Ellenberg
: LINBIT | Your Way to High Availability
: DRBD/HA support and consulting http://www.linbit.com
DRBD� and LINBIT� are registered trademarks of LINBIT, Austria.
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