<FONT face="Default Sans Serif,Verdana,Arial,Helvetica,sans-serif" size=2><div>I was considering using Heartbeat as well since this issue is isolated to Corosync. <br><br>It also appears that Corosync 1.2.6 is out which may also address the issue:<br><br><meta http-equiv="content-type" content="text/html; charset=utf-8"><span class="Apple-style-span" style="border-collapse: separate; font-family: 'Times New Roman'; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; font-size: medium;"><font color="#000000"><span class="Apple-style-span" style="font-family: monospace;"><pre>* 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.</pre></span></font></span><br><div>Thank you,<br>Jamie Sammons<br><div><br></div><font color="#990099">-----drbd-user-bounces@lists.linbit.com wrote: -----<br><br></font><blockquote style="padding-right: 0px; padding-left: 5px; margin-left: 5px; border-left: 2px solid #000000; margin-right: 0px;">To: drbd-user@lists.linbit.com<br>From: Lars Ellenberg <lars.ellenberg@linbit.com><br>Sent by: drbd-user-bounces@lists.linbit.com<br>Date: 07/24/2010 07:52AM<br>Subject: Re: [DRBD-user] DRBD MC - unstable cluster with latest corosync and pacemaker<br><br><font face="Courier New,Courier,monospace" size="3">On Sat, Jul 24, 2010 at 02:09:47PM +0200, Rasto Levrinc wrote:<br>> <br>> On Fri, July 23, 2010 10:44 pm, Jamie L Sammons wrote:<br>> > Environment:<br>> ><br>> ><br>> > CentOS 5.5<br>> > DRBD 8.3.8<br>> > Corosync 1.2.5<br>> > Pacemaker 1.0.9<br>> ><br>> ><br>> > Whenever I use DRBD MC to manage the configuration above, I run into<br>> > stability problems with the cluster. Here is some of the behavior I have<br>> > observed:<br>> ><br>> ><br>> > 1. Corosync crash across cluster members. When I try to restart corosync<br>> > I receive a Bus Error and cannot restart it until I reboot the system.<br>> > 2. Frequent disconnects and reconnects across the cluster members.<br>> > 3. Unresponsive cluster. Whenver I try to manage the cluster in DRBD MC<br>> > commands are ignored.<br>> <br>> Yes, the problem is that 'corosync -v' leaks shared memory in Corosync<br>> 1.2.5 and it happens that DRBD MC runs this command regularly to find out<br>> the version. Reboot clears the shared memory.<br>> <br>> For now you can remove this line from drbd-gui-helper:<br>> ($cs_version) = `$cs_prog -v` =~ /'(\d+\.\d+\.\d+)'/;<br>> <br>> and run DMC with --keep-helper option, or use different Corosync version.<br><br>I'd recommend to use heartbeat as the cluster communication layer.<br><br>-- <br>: Lars Ellenberg<br>: LINBIT | Your Way to High Availability<br>: DRBD/HA support and consulting <a href="http://www.linbit.com">http://www.linbit.com</a><br><br>DRBD® and LINBIT® are registered trademarks of LINBIT, Austria.<br>__<br>please don't Cc me, but send to list -- I'm subscribed<br>_______________________________________________<br>drbd-user mailing list<br>drbd-user@lists.linbit.com<br><a href="http://lists.linbit.com/mailman/listinfo/drbd-user">http://lists.linbit.com/mailman/listinfo/drbd-user</a><br><br></font>
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