Clarify version compatibility in snapshot/restore docs (#39329)

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Alex Doerr 2019-03-18 06:29:36 -04:00 committed by Luca Cavanna
parent 9c38fa6468
commit 740020dfe8
1 changed files with 4 additions and 0 deletions

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@ -28,6 +28,10 @@ back up a cluster is by using the snapshot and restore functionality.
[float]
=== Version compatibility
IMPORTANT: Version compatibility refers to the underlying Lucene index
compatibility. Follow the <<setup-upgrade,Upgrade documentation>>
when migrating between versions.
A snapshot contains a copy of the on-disk data structures that make up an
index. This means that snapshots can only be restored to versions of
Elasticsearch that can read the indices: