- Description has changed:
Diff:
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--- old
+++ new
@@ -3,3 +3,5 @@
Currently, if the node failover delay is set to 0 and SC-2 is isolated, SC-1
will failover the 2N app to SC-1 immediately.
If split brain prevention is enabled, amfd should wait at least the takeover
timeout before failing over the 2N app.
+
+If split brain prevention is enabled, and node failover delay is set to a
large value, amfd does not have to wait the full delay for a peer SC. It can
failover after the takeover timeout.
~~~~
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** [tickets:#3029] amfd: do not failover immediately if consensus service is
enabled**
**Status:** accepted
**Milestone:** 5.19.06
**Created:** Wed Apr 03, 2019 02:04 AM UTC by Gary Lee
**Last Updated:** Wed Apr 03, 2019 03:50 AM UTC
**Owner:** Gary Lee
Imagine a cluster consisting only of SC-1 and SC-2. A 2N app is active on SC-2
/ standby on SC-1. SC-1 is the active SC.
Currently, if the node failover delay is set to 0 and SC-2 is isolated, SC-1
will failover the 2N app to SC-1 immediately.
If split brain prevention is enabled, amfd should wait at least the takeover
timeout before failing over the 2N app.
If split brain prevention is enabled, and node failover delay is set to a large
value, amfd does not have to wait the full delay for a peer SC. It can failover
after the takeover timeout.
---
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