...

• EVT_CLUSTER_SNAPSHOT_STARTED – the snapshot operation started on a server node.
• EVT_CLUSTER_SNAPSHOT_FINISHED – the snapshot operation finished successfully.
• EVT_CLUSTER_SNAPSHOT_FAILED – the snapshot operation interrupted due to the reason came in the additional message.

Snapshot Security

Ignite must have a capability to specify permissions to allow/disallow execution of cluster snapshot operation. The following permission must be supported:

• ADMIN_SNAPSHOT_OPS – permission to control creation and cancellation cluster snapshot operations.

Restore snapshot (manually)

...

http://apache-ignite-developers.2346864.n4.nabble.com/DISCUSSION-Hot-cache-backup-td41034.html

Documentation

https://ignite.apache.org/docs/latest/persistence/snapshots

Reference Links

1. Apache Geode – Cache and Region Snapshots 
   https://geode.apache.org/docs/guide/16/managing/cache_snapshots/chapter_overview.html
2. Apache Cassandra – Backing up and restoring data
   https://docs.datastax.com/en/cassandra-oss/3.0/cassandra/operations/opsBackupRestore.html

...