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Docs: clarification of allocation awareness w.r.t. rack failures 

Closes #11908
This commit is contained in:
Boaz Leskes 2015-06-29 11:34:25 +02:00
parent 37bde56971
commit 41f8c96fed
1 changed files with 3 additions and 1 deletions
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4
docs/reference/modules/cluster/allocation_awareness.asciidoc
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@ -44,7 +44,9 @@ nodes.
Now, if we start two more nodes with `node.rack_id` set to `rack_two`,
Elasticsearch will move shards across to the new nodes, ensuring (if possible)
that the primary and replica shards are never in the same rack.
that no two copies of the same shard will be in the same rack. However if `rack_two`
were to fail, taking down both of its nodes, Elasticsearch will still allocate the lost
shard copies to nodes in `rack_one`.
.Prefer local shards
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