Thank you, it works great on healthy cluster. ____________________________________ Sincerely, George Melikov, Tel. 7-915-278-39-36 Skype: georgemelikov
С наилучшими пожеланиями, Георгий Меликов, m...@gmelikov.ru Моб: +7 9152783936 Skype: georgemelikov 15.05.2018, 18:01, "Ken Gaillot" <kgail...@redhat.com>: > On Tue, 2018-05-15 at 13:25 +0300, George Melikov wrote: >> Hello, >> >> Sorry for a (likely) dumb question, >> but is there a way to store and sync data via pacemaker/corosync? >> >> Are there any way to store key/value properties or files? >> >> I've found `pcs property set --force`, but it didn't survive cluster >> restart. > > That's surprising, cluster properties (even unrecognized ones) should > persist. After setting it, try double-checking that it was written to > disk with pcs cluster cib | less. I would use some prefix (like the > name of your organization) for all property names, to make conflicts > with real properties less likely. > > Permanent node attributes are another possibility, though they record a > separate value for each node. The values of any node, however, can be > queried from any other node. That means you could just pick one node > and set all your name/value pairs using its name. > > However, there's a reason not to use pacemaker for this purpose: > changes to cluster properties or node attributes will trigger a new > calculation of where resources should be. It won't cause any harm, but > it will add CPU and I/O load unnecessarily. Similarly, if your data set > is large, it will take longer to do such calculations, slowing down > recovery unnecessarily. > > You could run etcd or some NoSQL database as a cluster resource, then > keep your data there. > >> ____________________________________ >> Sincerely, >> George Melikov, >> Tel. 7-915-278-39-36 >> Skype: georgemelikov >> >> С наилучшими пожеланиями, >> Георгий Меликов, >> m...@gmelikov.ru >> Моб: +7 9152783936 >> Skype: georgemelikov > -- > Ken Gaillot <kgail...@redhat.com> > _______________________________________________ > Users mailing list: Users@clusterlabs.org > https://lists.clusterlabs.org/mailman/listinfo/users > > Project Home: http://www.clusterlabs.org > Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf > Bugs: http://bugs.clusterlabs.org _______________________________________________ Users mailing list: Users@clusterlabs.org https://lists.clusterlabs.org/mailman/listinfo/users Project Home: http://www.clusterlabs.org Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf Bugs: http://bugs.clusterlabs.org