Usually I prefer to use "crm configure show" and later "crm configure edit" and replace the config.
I am not sure if this will work with such downgrade scenario, but it shouldn't be a problem. Best Regards, Strahil Nikolov В четвъртък, 22 октомври 2020 г., 21:30:55 Гринуич+3, Vitaly Zolotusky <vit...@unitc.com> написа: Thanks for the reply. I do see backup config command in pcs, but not in crmsh. What would that be in crmsh? Would something like this work after Corosync started in the state with all resources inactive? I'll try this: crm configure save <FILE> crm configure load <FILE> Thank you! _Vitaly Zolotusky > On October 22, 2020 1:54 PM Strahil Nikolov <hunter86...@yahoo.com> wrote: > > > Have you tried to backup the config via crmsh/pcs and when you downgrade to > restore from it ? > > Best Regards, > Strahil Nikolov > > > > > > > В четвъртък, 22 октомври 2020 г., 15:40:43 Гринуич+3, Vitaly Zolotusky > <vit...@unitc.com> написа: > > > > > > Hello, > We are trying to upgrade our product from Corosync 2.X to Corosync 3.X. Our > procedure includes upgrade where we stopthe cluster, replace rpms and restart > the cluster. Upgrade works fine, but we also need to implement rollback in > case something goes wrong. > When we rollback and reload old RPMs cluster says that there are no active > resources. It looks like there is a problem with cluster configuration > version. > Here is output of the crm_mon: > ************ > d21-22-left.lab.archivas.com /opt/rhino/sil/bin # crm_mon -A1 > Stack: corosync > Current DC: NONE > Last updated: Thu Oct 22 12:39:37 2020 > Last change: Thu Oct 22 12:04:49 2020 by root via crm_attribute on > d21-22-left.lab.archivas.com > > 2 nodes configured > 15 resources configured > > Node d21-22-left.lab.archivas.com: UNCLEAN (offline) > Node d21-22-right.lab.archivas.com: UNCLEAN (offline) > > No active resources > > > Node Attributes: > > *********** > What would be the best way to implement downgrade of the configuration? > Should we just change crm feature set, or we need to rebuild the whole config? > Thanks! > _Vitaly Zolotusky > _______________________________________________ > Manage your subscription: > https://lists.clusterlabs.org/mailman/listinfo/users > > ClusterLabs home: https://www.clusterlabs.org/ _______________________________________________ Manage your subscription: https://lists.clusterlabs.org/mailman/listinfo/users ClusterLabs home: https://www.clusterlabs.org/
