I have always interpreted the use case for passive-backup as very much a choose your own adventure scenario.
Unfortunately the admin docs don't really give you enough information to properly arm the foot cannons. Forewarning: you might be venturing into hic sunt dracones territory. Here are two maps for your quest: https://gitlab.isc.org/isc-projects/kea/-/wikis/designs/High-Availability-Design https://reports.kea.isc.org/dev_guide/d3/d96/libdhcp_ha.html Enjoy -chad ---------------------------------------- Feb 2, 2022 09:15:42 David Ramsey <[email protected]>: > Correction - rather than change "this-server-name" I swap the primary/backup > role in the peers list. > I couldn't find a way to do that via API without replacing the entire > configuration via config-set. > > Thanks folks, --dmr > > On Wed, Feb 2, 2022 at 9:53 AM David Ramsey <[email protected]> wrote: >> We are concerned about losing heartbeats between distant servers and >> encountering a "split brain" scenario, so we are considering a more manual >> failover using the passive-backup mode of HA. >> >> What is the best practice for promoting a backup server to active? Docs >> simply say that it "requires manual intervention from the administrator". >> >> I can't seem to find a native API mechanism for this. The best way I can >> think of seems to be ensuring that the primary can't come back online and >> then changing the passive-backup server's "this-server-name" to BE the >> primary. >> >> This seems like a kludge. How are others doing this? >> >> Thanks! --dmr > -- > ISC funds the development of this software with paid support subscriptions. > Contact us at https://www.isc.org/contact/ for more information. > > To unsubscribe visit https://lists.isc.org/mailman/listinfo/kea-users. > > Kea-users mailing list > [email protected] > https://lists.isc.org/mailman/listinfo/kea-users
-- ISC funds the development of this software with paid support subscriptions. Contact us at https://www.isc.org/contact/ for more information. To unsubscribe visit https://lists.isc.org/mailman/listinfo/kea-users. Kea-users mailing list [email protected] https://lists.isc.org/mailman/listinfo/kea-users
