>>> Ken Gaillot <kgail...@redhat.com> schrieb am 29.11.2022 um 20:41 in Nachricht <23873b16397171f0880ee691a0aef5a6e3ef39a4.ca...@redhat.com>: > The use case here is for external code (DRBD) to ban a resource from a > node. While DRBD could add/remove location constraints, it's better to > have permanent (rule‑based) location constraints in the configuration, > and let DRBD just set or unset a node attribute to trigger the > constraint. > > As a general rule, it's best to avoid automated configuration changes > (via resource agents, crons, DRBD, etc.) other than node attributes. > There's just more room for something to go wrong.
I think setting the wrong node attributes (combined with the "right" rules) can be just as desastous as adding bad location constraints. ... Regards, Ulrich _______________________________________________ Manage your subscription: https://lists.clusterlabs.org/mailman/listinfo/users ClusterLabs home: https://www.clusterlabs.org/
