of course I currently use an active/active setting for some load spreading issues, but I will try to use an (more ordered) active/passive setting. I need that for VMWare and afaik it is NFSv3 so far.
Thanks for pointing things out. Cheers, Hauke --- original message timestamp: Monday, November 17, 2014 11:53:09 AM from: David Vossel <dvos...@redhat.com> to: The Pacemaker cluster resource manager <pacemaker@oss.clusterlabs.org> cc: subject: Re: [Pacemaker] exportfs resource agent modifications message id: <1005680886.61322.1416243189209.javamail.zim...@redhat.com> > ----- Original Message ----- > > > Hi there, > > > > we are using exportfs for building datastores for VMWare. > > > > After migrating 1 NFS resource to another node (after sucessful fencing > > e.g.), > > VMWare doesn't see that datastore until I manually fire _exportfs -f_ on > > the new cluster node. > > > > I tried to modify the resource agent itself like: > > > > 247 restore_rmtab > > 248 > > 249 ocf_log info "File system exported" > > 250 > > 251 sleep 5 #added > > 252 > > 253 ocf_run exportfs -f || exit $OCF_ERR_GENERIC #added > > 254 > > 255 ocf_log info "kernel table flushed" #added > > 256 > > 257 return $OCF_SUCCESS > > > > but this didn't do the trick. > > > > Does anyone has an idea how to resolve that issue? > > HA NFS is tricky and requires a very specific resource startup/shutdown > order to work correctly. > > Here's some information about use cases I test. At this point, the > active/passive use case is well understood. If you are able to, I would > recommend modeling deployments using the A/P use case guidelines. > > HA NFS Active/Passive: > https://github.com/davidvossel/phd/blob/master/doc/presentations/nfs-ap-over > view.pdf?raw=true > https://github.com/davidvossel/phd/blob/master/scenarios/nfs-active-passive > .scenario > > HA NFS Active/Active: > https://github.com/davidvossel/phd/blob/master/doc/presentations/nfs-aa-over > view.pdf?raw=true > https://github.com/davidvossel/phd/blob/master/scenarios/nfs-active-active. > scenario > > -- Vossel > > > Cheers, > > Hauke > > _______________________________________________ > > 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://bugs.clusterlabs.org > > _______________________________________________ > 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://bugs.clusterlabs.org -- Hauke Bruno Wollentin (Infrastructure Engineer Cloud) iNNOVO Cloud GmbH Düsseldorfer Straße 40a 65760 Eschborn (Taunus) Tel. 069/ 24 747 18-26 Fax. 069/ 24 747 18-1022 Mail. hauke-bruno.wollen...@innovo-cloud.de Geschäftsführung: Dr. Sebastian Ritz, Stefan Sickenberger Registergericht Frankfurt a.M., HRB 95751/USt.-IdNr.: DE2870 34448 Frankfurter Volksbank eG (Blz. 501 900 00) Konto 600 200 9917 IBAN DE94501900006002009917 BIC: FFVBDEFF Informationen (einschließlich Pflichtangaben) zu einzelnen, innerhalb der EU tätigen Gesellschaften und Zweigniederlassungen der iNNOVO Cloud gmbH finden Sie unter http://www.innovo-cloud.de/pflichtangaben.htm. Diese E-Mail enthält vertrauliche und/ oder rechtlich geschützte Informationen. Wenn Sie nicht der richtige Adressat sind oder diese E-Mail irrtümlich erhalten haben, informieren Sie bitte sofort den Absender und vernichten Sie diese E-Mail. Das unerlaubte Kopieren sowie die unbefugte Weitergabe dieser E-Mail ist nicht gestattet. Please refer to http://www.innovo-cloud.de for information (including mandatory corporate particulars) on selected iNNOVO Cloud in the European Union. This e-mail may contain confidential and/or privileged information. If you are not the intended recipient (or have received this e-mail in error) please notify the sender immediately and delete this e-mail. Any unauthorized copying, disclosure or distribution of the material in this e-mail is strictly forbidden.
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_______________________________________________ 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://bugs.clusterlabs.org
