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Back Up a Sharded Cluster with Database Dumps

Note

mongodump and mongorestore cannot be part of a backup strategy for 4.2+ sharded clusters that have sharded transactions in progress, as backups created with mongodump do not maintain the atomicity guarantees of transactions across shards.

For 4.2+ sharded clusters with in-progress sharded transactions, use one of the following coordinated backup and restore processes which do maintain the atomicity guarantees of transactions across shards:

• MongoDB Atlas,
• MongoDB Cloud Manager, or
• MongoDB Ops Manager.

For MongoDB 4.0 and earlier deployments, refer to the corresponding versions of the manual. For example:

• https://docs.mongodb.com/v4.0
• https://docs.mongodb.com/v3.6
• https://docs.mongodb.com/v3.4

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