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Enable One-Way Server-Side Bucket Replication

minio

Table of Contents

The procedure on this page creates a new bucket replication rule for one-way synchronization of objects from one MinIO bucket to another MinIO bucket. The buckets can be on the same MinIO deployment or on separate MinIO deployments.

Active-Passive Replication synchronizes data from a source MinIO deployment to a remote MinIO deployment.

  • To configure two-way "active-active" replication between MinIO buckets, see minio-bucket-replication-serverside-twoway.
  • To configure multi-site "active-active" replication between MinIO deployments, see minio-bucket-replication-serverside-multi

Note

To configure replication between arbitrary S3-compatible services (not necessarily MinIO), use mc mirror.

Requirements

Replication requires all participating clusters meet the following requirements <minio-bucket-replication-requirements>. This procedure assumes you have reviewed and validated those requirements.

For more details, see the Bucket Replication Requirements <minio-bucket-replication-requirements> page.

Considerations

Click to expand any of the following:

Replication of Existing Objects

MinIO supports automatically replicating existing objects in a bucket.

MinIO requires explicitly enabling replication of existing objects using the mc replicate add --replicate or mc replicate update --replicate and including the existing-objects replication feature flag. This procedure includes the required flags for enabling replication of existing objects.

Replication of Delete Operations

MinIO supports replicating S3 DELETE operations onto the target bucket. Specifically, MinIO can replicate versioning Delete Markers <versioning-workflows.html> and the deletion of specific versioned objects:

  • For delete operations on an object, MinIO replication also creates the delete marker on the target bucket.
  • For delete operations on versions of an object, MinIO replication also deletes those versions on the target bucket.

MinIO requires explicitly enabling replication of delete operations using the mc replicate add --replicate or mc replicate update --replicate. This procedure includes the required flags for enabling replication of delete operations and delete markers.

MinIO does not replicate delete operations resulting from the application of lifecycle management expiration rules <minio-lifecycle-management-expiration>.

See minio-replication-behavior-delete and minio-object-delete for more complete documentation.

Multi-Site Replication

MinIO supports configuring multiple remote targets per bucket or bucket prefix. For example, you can configure a bucket to replicate data to two or more remote MinIO deployments, where one deployment is a 1:1 copy (replication of all operations including deletions) and another is a full historical record (replication of only non-destructive write operations).

This procedure documents one-way replication to a single remote MinIO deployment. You can repeat this tutorial to replicate a single bucket to multiple remote targets.

Procedure

  • Configure One-Way Bucket Replication Using the MinIO Console <minio-bucket-replication-one-way-minio-console-procedure>
    • Create a New Bucket Replication Rule <minio-bucket-replication-one-way-minio-console-create-replication-rules>
    • Validate the Replication Configuration <minio-bucket-replication-one-way-minio-console-validate-replication-config>
  • Configure One-Way Bucket Replication Using the Command Line <minio-bucket-replication-one-way-minio-cli-procedure>
    • Create a Replication Remote Target <minio-bucket-replication-one-way-minio-cli-create-remote-targets>
    • Create a New Bucket Replication Rule <minio-bucket-replication-one-way-minio-cli-create-replication-rules>
    • Validate the Replication Configuration <minio-bucket-replication-one-way-minio-cli-verify-replication-config>

Configure One-Way Bucket Replication Using the MinIO Console

1) Create a New Bucket Replication Rule

2) Validate the Replication Configuration

Configure One-Way Bucket Replication Using the Command Line mc

This procedure uses the aliases <alias> SOURCE and REMOTE to reference each MinIO deployment being configured for replication. Replace these values with the appropriate alias for your target MinIO deployments.

This procedure assumes each alias corresponds to a user with the necessary replication permissions <minio-bucket-replication-serverside-oneway-permissions>.

RELEASE.2022-12-24T15-21-38Z

mc replicate add automatically creates the necessary replication targets, removing the need for using the deprecated mc admin remote bucket add command. This procedure only documents the procedure as of that release.

1) Create a New Bucket Replication Rule

2) Validate the Replication Configuration

  • Use the mc replicate update command to modify an existing replication rule.
  • Use the mc replicate update command with the --state "disable" <mc replicate update --state> flag to disable an existing replication rule.
  • Use the mc replicate rm command to remove an existing replication rule.