Back Up a Sharded Cluster with Database Dumps
Note
mongodump
and mongorestore
cannot be part of a backup strategy for 4.2+ sharded clustersthat have sharded transactions in progress as these tools cannotguarantee a atomicity guarantees of data across the shards.
For 4.2+ sharded clusters with in-progress sharded transactions, forcoordinated backup and restore processes that maintain the atomicityguarantees of transactions across shards, see:
For MongoDB 4.0 and earlier deployments, refer to the correspondingversions of the manual. For example: