I have a 4 machine cluster (2 data nodes and 2 master nodes) and some time
last night I had a failover from one master to the other. At this time a
number of things happened:
- Original master came back up but did not join the cluster
- Shards for about 5 indexes are unassigned and now report that they
have 0 documents in this.
Case 2 is much more worrying as I'm loosing data. Does anyone have insight
of why this happens? How can it be avoided?
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