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@ -46,12 +46,14 @@ A snapshot contains a copy of the on-disk data structures that make up an
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index. This means that snapshots can only be restored to versions of
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Elasticsearch that can read the indices:
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* A snapshot of an index created in 6.x can be restored to 7.x.
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* A snapshot of an index created in 5.x can be restored to 6.x.
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* A snapshot of an index created in 2.x can be restored to 5.x.
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* A snapshot of an index created in 1.x can be restored to 2.x.
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Conversely, snapshots of indices created in 1.x **cannot** be restored to 5.x
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or 6.x, and snapshots of indices created in 2.x **cannot** be restored to 6.x.
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or 6.x, snapshots of indices created in 2.x **cannot** be restored to 6.x
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or 7.x, and snapshots of indices created in 5.x **cannot** be restored to 7.x.
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Each snapshot can contain indices created in various versions of Elasticsearch,
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and when restoring a snapshot it must be possible to restore all of the indices
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