Hi, Yesterday, I have added a new node to my ES cluster and after that some of the shards started to remain unassigned. These shards are the replicas of the shards on the new node. When I inspected the reason, I found out that this new node has a different ES version. The new one is 1.3.4 and t…

Unassigned Shards and Upgrading Elasticsearch

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Unassigned Shards and Upgrading Elasticsearch

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