On Mon, Aug 9, 2010 at 7:55 PM, Dejan Muhamedagic <[email protected]>wrote:

> Hi,
>
> On Mon, Aug 09, 2010 at 09:27:14AM +0800, fengyandong wrote:
> > Thanks for your help.
> >
> > You means that if I had not stonith defined, 'restart network service '
> will
> > must cause brainsplit in heaertbeat 2.1.4?
> > Could you tell me why 'restart network service ' causes brainsplit.
>
> Because that way you interrupt the communication between the nodes.
>
Yes,  the communication between the nodes may be interrupt during the
network restart,  but after the network  recovers, why the communication
could not recover?  I use *tcpdump* to find that the nodes could receive the
heartbeat package each other after the network recovers.

>
> Thanks,
>
> Dejan
>
> > Thanks.
> >
> > On Fri, Aug 6, 2010 at 8:29 PM, Dejan Muhamedagic <[email protected]
> >wrote:
> >
> > > Hi,
> > >
> > > On Fri, Aug 06, 2010 at 04:57:43PM +0800, fengyandong wrote:
> > > > Hi,
> > > >
> > > > I encounter a problem that  'restart network service ' casues
> brainsplit
> > >
> > > Not a good idea to restart network interfaces. If you had stonith
> > > defined, which you should, one of your nodes would've been
> > > fenced.
> > >
> > > > Heartbeart version 2.1.4
> > >
> > > You need to upgrade to Pacemaker 1.0 or 1.1.
> > >
> > > Thanks,
> > >
> > > Dejan
> > >
> > > > The content of  */etc/ha.d/ha.cf:*
> > > > initdead 20
> > > > crm on
> > > > auto_failback off
> > > > deadping 10
> > > > logfacility local0
> > > > logfile /var/log/ha-log
> > > > deadtime 5000ms
> > > > keepalive 1000ms
> > > > ucast eth0 10.10.37.92
> > > > node mds91 mds92
> > > > respawn root /usr/lib64/heartbeat/pingd -m 100 -d 1s -a pingd
> > > > ping 10.10.37.100
> > > >
> > > > The content of */var/lib/heartbeat/crm/cib.xml*:
> > > > Please see the attachment.
> > > >
> > > > 2 nodes in active passive mode.
> > > > 'restart network service ' on active node causes brainsplit.  Please
> see
> > > the
> > > > ha-log on the attachment.
> > > >
> > > > Thanks.
> > >
> > > _______________________________________________
> > > Linux-HA mailing list
> > > [email protected]
> > > http://lists.linux-ha.org/mailman/listinfo/linux-ha
> > > See also: http://linux-ha.org/ReportingProblems
> > >
> > _______________________________________________
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> > [email protected]
> > http://lists.linux-ha.org/mailman/listinfo/linux-ha
> > See also: http://linux-ha.org/ReportingProblems
> _______________________________________________
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>
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