[Bug 1890491] [NEW] A pacemaker node fails monitor (probe) and stop /start operations on a resource because it returns "rc=189
Launchpad Bug Tracker
1890491 at bugs.launchpad.net
Tue Sep 8 20:17:39 UTC 2020
You have been subscribed to a public bug by Jorge Niedbalski (niedbalski):
Cause: Pacemaker implicitly ordered all stops needed on a Pacemaker
Remote node before the stop of the node's Pacemaker Remote connection,
including stops that were implied by fencing of the node. Also,
Pacemaker scheduled actions on Pacemaker Remote nodes with a failed
connection so that the actions could be done once the connection is
recovered, even if the connection wasn't being recovered (for example,
if the node was shutting down when the failure occurred).
Consequence: If a Pacemaker Remote node needed to be fenced while it was
in the process of shutting down, once the fencing completed pacemaker
scheduled probes on the node. The probes fail because the connection is
not actually active. Due to the failed probe, a stop is scheduled which
also fails, leading to fencing of the node again, and the situation
repeats itself indefinitely.
Fix: Pacemaker Remote connection stops are no longer ordered after
implied stops, and actions are not scheduled on Pacemaker Remote nodes
when the connection is failed and not being started again.
Result: A Pacemaker Remote node that needs to be fenced while it is in
the process of shutting down is fenced once, without repeating
indefinitely.
The fix seems to be fixed in pacemaker-1.1.21-1.el7
Related to https://bugzilla.redhat.com/show_bug.cgi?id=1704870
** Affects: pacemaker (Ubuntu)
Importance: Undecided
Status: Fix Released
** Affects: pacemaker (Ubuntu Bionic)
Importance: Undecided
Assignee: Jorge Niedbalski (niedbalski)
Status: In Progress
** Affects: pacemaker (Ubuntu Focal)
Importance: Undecided
Status: Fix Released
** Affects: pacemaker (Ubuntu Groovy)
Importance: Undecided
Status: Fix Released
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A pacemaker node fails monitor (probe) and stop /start operations on a resource because it returns "rc=189
https://bugs.launchpad.net/bugs/1890491
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