Mistakenly we shut downed 3 nodes in the cluster in the same time. They
contained both the primary shard and its replica
ES probably decided that it has lost the entire shard and created new shard
but with zero documents. We've returned those 3 previously shut downed
nodes to the cluster but the new shards still empty . So looks like we lost
the shard's data.
Fortunately we have a backup of ES data folder from the lost shard
The question is : how can we recreate the data? Will simple copy to the
empty shard resolve it?
What would you recommend?
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