Metadata backup and recovery for DR
MinIO extension APIs for backup and recovery of metadata exist for
- Backup and Restore of all bucket metadata
- Backup and Restore of all IAM users, policies and groups
Bucket metadata export
Required permission: admin:ExportBucketMetadata
Export metadata for mybucket from myminio into a zip file
mc admin cluster bucket export myminio/mybucket
Export bucket metadata for entire site
mc admin cluster bucket export myminio
Bucket metadata import
Required permission: admin:ImportBucketMetadata
Create a bucket if missing on site2 and apply all the metadata in the zip file created previously on myminio with mc admin cluster export cmd.
Import metadata for mybucketinto myminio using metadata from bucket1 as a template
mc admin cluster bucket import site2/mybucket bucket1-metadata.zip
Import bucket metadata for entire site
This will create buckets with proper versioning or object lock configuration and import all metadata settings using the zip file from prev. export command.
mc admin cluster bucket import site2 allbuckets-metadata.zip
IAM data export
Required permission: admin:ExportIAM
Export metadata for all users, policies and groups from myminio into a zip file
mc admin cluster iam export myminio
IAM data import
Required permission: admin:ImportIAM
Using previously exported iam metadata from myminio, recreate all users, policies, groups and mappings on site2
Import IAM data into site2 using exported zip from myminio
mc admin cluster iam import site2 myminio-iam-info.zip