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In general, stop the cluster, then replace persistence data and other files with the data from the snapshot, and restart the nodes.
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The detailed procedure looks as follows:
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@@ -171,18 +179,6 @@ The detailed procedure looks as follows:
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- Copy the files belonging to a node with the `{node_id}` from the snapshot into the `$IGNITE_HOME/work/` directory. If the `db/{node_id}` directory is not located under the Ignite `work` dir then you need to copy data files there.
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. Restart the cluster
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*Restore On Cluster of Different Topology*
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You may want to create a snapshot of an N-node cluster and use it to restore on an M-node cluster. The table below explains what options are supported:
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[cols="1,1",opts="header"]
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|===
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|Condition | Description
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|N == M | The *recommended* case. Create and use the snapshot on clusters of a similar topology.
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|N < M | Start the first N nodes of the M-node cluster and apply the snapshot. Add the rest of the M-cluster nodes to
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the topology and wait while the data gets rebalanced and indexes are rebuilt.
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|N > M | Unsupported.
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|===
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=== Automatic Snapshot Restore Procedure
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The automatic restore procedure allows the user to restore cache groups from a snapshot on an active cluster by using the Java API or link:tools/control-script[command line script].
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