Thanks in advance! Sebastian Koch
NETZWERK GmbH Fon: +49.711.220 5498 81 Achtung neue Mobilfunknummer: +49.1522.299 6524 Fax: +49.711.220 5499 77 Email: sebastian.k...@netzwerk.de Web: www.netzwerk.de NETZWERK GmbH, Kurze Str. 40, 70794 Filderstadt-Bonlanden Geschäftsführer: Siegfried Herner, Hans-Baldung Luley, Olaf Müller-Haberland Sitz der Gesellschaft: Filderstadt-Bonlanden, Amtsgericht Stuttgart HRB 225547, WEEE-Reg Nr. DE 185 622 492 -----Ursprüngliche Nachricht----- Von: Torresani, Roberto [mailto:roberto.torres...@unitn.it] Gesendet: Montag, 21. Juni 2010 09:48 An: The Pacemaker cluster resource manager Betreff: Re: [Pacemaker] Cluster split brain on vmware VSphere Sure. Give me some time (I'm very busy at the moment). In the next few days I will share the scripts (awfully written... ;-)) with you. Regards, Roberto > -----Original Message----- > From: Koch, Sebastian [mailto:sebastian.k...@netzwerk.de] > Sent: Friday, June 11, 2010 4:30 PM > To: The Pacemaker cluster resource manager > Subject: Re: [Pacemaker] Cluster split brain on vmware VSphere > > Hi, > > i read your entry and you wrote that you used some adopted > xen stonith scripts to get it up and running under vmware. > Could you share your expierences and hjow you solved thatr issue? > > Thanks in advance. > > Sebastian Koch > > -----Ursprüngliche Nachricht----- > Von: Torresani, Roberto [mailto:roberto.torres...@unitn.it] > Gesendet: Freitag, 11. Juni 2010 15:22 > An: The Pacemaker cluster resource manager > Betreff: Re: [Pacemaker] Cluster split brain on vmware VSphere > > > > > -----Original Message----- > > From: Dejan Muhamedagic [mailto:deja...@fastmail.fm] > > Sent: Wednesday, June 09, 2010 2:23 PM > > To: The Pacemaker cluster resource manager > > Subject: Re: [Pacemaker] Cluster split brain on vmware VSphere > > > > Hi, > > > > On Wed, Jun 09, 2010 at 12:11:09PM +0200, Torresani, Roberto wrote: > > > Well... it seem to be SOLVED!!! > > > Thank you Dejan. > > > In the next few days I will load the cluster and then see > > how it behaves. > > > > > > I simply raise the token value to 10000 msec, leave all the > > others to the defaults. > > > > You should also raise the consensus value to 12000. corosync > > would even refuse to start in this case. > > > Yes, I simply leave corosync to determine the value as 1.2*token=12000 > > Thank you again > Best regards > Roberto > > > > > > > Thanks, > > > > Dejan > > > > > > > > Thank you again. > > > Regards, > > > Roberto > > > > > > > > > > > > > -----Original Message----- > > > > From: Dejan Muhamedagic [mailto:deja...@fastmail.fm] > > > > Sent: Tuesday, June 08, 2010 6:42 PM > > > > To: The Pacemaker cluster resource manager > > > > Subject: Re: [Pacemaker] Cluster split brain on vmware VSphere > > > > > > > > Hi, > > > > > > > > On Mon, Jun 07, 2010 at 02:57:57PM +0200, Torresani, > > Roberto wrote: > > > > > Sorry for have choosen the wrong ml... > > > > > > > > That's no problem. There's just better chance of getting help on > > > > the other list. > > > > > > > > > Here the corosync.conf used by one cluster, the other one is > > > > > just the same provided by the epel repository packages. > > > > > > > > > > I will try to raise the token value to 10000 as you > suggest. Is > > > > > there a theoretical or a best practice to set this value ? > > > > > > > > No, but 5000 should be OK for most. Ultimately, it depends on > > > > your network. I forgot what was exactly the case here, but it > > > > seems like you had some heavy processing (backup?) which used > > > > most of resources. That may be really hard to predict. You can > > > > use sar or similar to monitor the load. > > > > > > > > Thanks, > > > > > > > > Dejan > > > > > > > > > I will keep you informed as it goes, and open a thread on the > > > > > corosync ml if necessary. > > > > > > > > > > Thank you. > > > > > > > > > > > > > > > # Please read the corosync.conf.5 manual page > > > > > compatibility: whitetank > > > > > > > > > > totem { > > > > > version: 2 > > > > > secauth: off > > > > > threads: 0 > > > > > token: 1000 > > > > > hold: 180 > > > > > token_retransmits_before_loss_const: 20 > > > > > join: 60 > > > > > consensus: 4800 > > > > > vsftype: none > > > > > max_messages: 20 > > > > > interface { > > > > > ringnumber: 0 > > > > > bindnetaddr: 192.168.206.0 > > > > > mcastaddr: 226.94.1.1 > > > > > mcastport: 5405 > > > > > } > > > > > } > > > > > > > > > > logging { > > > > > fileline: off > > > > > to_stderr: yes > > > > > to_logfile: yes > > > > > to_syslog: yes > > > > > logfile: /tmp/corosync.log > > > > > debug: off > > > > > timestamp: on > > > > > logger_subsys { > > > > > subsys: AMF > > > > > debug: off > > > > > } > > > > > } > > > > > > > > > > amf { > > > > > mode: disabled > > > > > } > > > > > > > > > > aisexec { > > > > > user: root > > > > > group: root > > > > > } > > > > > > > > > > service { > > > > > name: pacemaker > > > > > ver: 0 > > > > > } > > > > > _______________________________________________ > > > > > Pacemaker mailing list: Pacemaker@oss.clusterlabs.org > > > > > http://oss.clusterlabs.org/mailman/listinfo/pacemaker > > > > > > > > > > Project Home: http://www.clusterlabs.org > > > > > Getting started: > > > > http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf > > > > > Bugs: > > > > http://developerbugs.linux-foundation.org/enter_bug.cgi?produc > > > t=Pacemaker > > > > > > > > _______________________________________________ > > > > Pacemaker mailing list: Pacemaker@oss.clusterlabs.org > > > > http://oss.clusterlabs.org/mailman/listinfo/pacemaker > > > > > > > > Project Home: http://www.clusterlabs.org > > > > Getting started: > > > > http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf > > > > Bugs: > > > > http://developerbugs.linux-foundation.org/enter_bug.cgi?produc > > > t=Pacemaker > > > > > > > _______________________________________________ > > > Pacemaker mailing list: Pacemaker@oss.clusterlabs.org > > > http://oss.clusterlabs.org/mailman/listinfo/pacemaker > > > > > > Project Home: http://www.clusterlabs.org > > > Getting started: > > http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf > > > Bugs: > > http://developerbugs.linux-foundation.org/enter_bug.cgi?produc > t=Pacemaker > > > > _______________________________________________ > > Pacemaker mailing list: Pacemaker@oss.clusterlabs.org > > http://oss.clusterlabs.org/mailman/listinfo/pacemaker > > > > Project Home: http://www.clusterlabs.org > > Getting started: > > http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf > > Bugs: > > http://developerbugs.linux-foundation.org/enter_bug.cgi?produc > t=Pacemaker > > > _______________________________________________ > Pacemaker mailing list: Pacemaker@oss.clusterlabs.org > http://oss.clusterlabs.org/mailman/listinfo/pacemaker > > Project Home: http://www.clusterlabs.org > Getting started: > http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf > Bugs: > http://developerbugs.linux-foundation.org/enter_bug.cgi?produc > t=Pacemaker > > _______________________________________________ > Pacemaker mailing list: Pacemaker@oss.clusterlabs.org > http://oss.clusterlabs.org/mailman/listinfo/pacemaker > > Project Home: http://www.clusterlabs.org > Getting started: > http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf > Bugs: > http://developerbugs.linux-foundation.org/enter_bug.cgi?produc > t=Pacemaker > _______________________________________________ Pacemaker mailing list: Pacemaker@oss.clusterlabs.org http://oss.clusterlabs.org/mailman/listinfo/pacemaker Project Home: http://www.clusterlabs.org Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf Bugs: http://developerbugs.linux-foundation.org/enter_bug.cgi?product=Pacemaker _______________________________________________ Pacemaker mailing list: Pacemaker@oss.clusterlabs.org http://oss.clusterlabs.org/mailman/listinfo/pacemaker Project Home: http://www.clusterlabs.org Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf Bugs: http://developerbugs.linux-foundation.org/enter_bug.cgi?product=Pacemaker