- Description has changed:
Diff:
~~~~
--- old
+++ new
@@ -4,7 +4,7 @@
During normal cluster operation, if the consensus service becomes unavailable,
but a peer SC can still be seen, then the active SC may remain active.
-This optinal feature must not be used together with the roaming SC feature.
+This optional feature must not be used together with the roaming SC feature.
A parameter will be added to fmd.conf (default value is 0):
~~~~
---
** [tickets:#2996] rded: allow SC promotion even if consensus service is
unavailable**
**Status:** accepted
**Milestone:** 5.19.03
**Created:** Thu Jan 10, 2019 05:47 AM UTC by Gary Lee
**Last Updated:** Thu Jan 10, 2019 05:47 AM UTC
**Owner:** Gary Lee
If split brain prevention is enabled, rded does not allow promotion of a node
to Active unless a lock can be obtained. For some users, it may be preferrable
to allow this to occur even if the consensus service is not available, so the
consensus service does not become a single point of failure.
If a peer SC can be seen by a SC, and that SC has the lower node ID, we can
optionally allow node promotion to occur during SC election, if the consensus
service is not available.
During normal cluster operation, if the consensus service becomes unavailable,
but a peer SC can still be seen, then the active SC may remain active.
This optional feature must not be used together with the roaming SC feature.
A parameter will be added to fmd.conf (default value is 0):
export FMS_RELAXED_NODE_PROMOTION=1
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