[ClusterLabs] Can I add a pacemaker v2 node to a v2 cluster ?

Morgan Cox morgancoxuk at gmail.com
Fri Mar 1 10:41:43 EST 2024


Hi - i have a fair few rhel7 pacemaker clusters (running on pacemaker v1)
I want to migrate to rhel8 (which uses pacemaker v2) - due to using
shared/cluster ip it would be a pain  and involve downtime to take down
cluster ip on rhel7 cluster then setup on rhel8.

Can I add a pacemaker v2 node to a pacemaker v1 one  (in order to migrate
easily..)

i.e i have these versions

rhel7 : pacemaker-1.1.23-1.el7_9.1.x86_64
rhel8: pacemaker-2.1.5-8.el8.x86_64

For the purposes of migrating to rhel8 - could i add a rhel8 (pacemaker v2)
node to an existing rhel7 (pacemaker v1.x) cluster

If it matters here is the 'supporting' versions of both (using # pacemakerd
--features )

rhel7: Supporting v3.0.14:  generated-manpages agent-manpages ncurses
libqb-logging libqb-ipc systemd nagios  corosync-native atomic-attrd acls

rhel8 :  Supporting v3.16.2: agent-manpages cibsecrets compat-2.0
corosync-ge-2 default-concurrent-fencing default-sbd-sync
generated-manpages monotonic nagios ncurses remote systemd

If this is not possible I will have to think of another solution.

Thanks
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