Products: Managed Backup (Agent), Managed Backup (Web)
Article ID: m0713Last Modified: 09-May-2025

Supported S3 Compatible Storage Solutions

S3 Compatible Storage is a storage solution that allows access to and management of the data it stores over an S3-compliant interface. Long-term storage classes are not currently supported for these storage solutions. If you are using a long-term storage class for backup purposes at your own risk, you should move the data to a general-purpose storage class before attempting a restore.

To use the selected S3 compatible storage as your storage account, the cloud storage must support the following operations:

Operation Description Purpose
AbortMultipartUpload Aborts a multipart upload. After a multipart upload is aborted, no additional parts can be uploaded using that upload ID Backup
CompleteMultipartUpload Completes a multipart upload by assembling previously uploaded parts Backup
CreateMultipartUpload Initiates a multipart upload and returns an upload ID Backup
DeleteObject Removes an object from a bucket Backup
GetObject Retrieves an object from the storage Restore
HeadObject Retrieves metadata from an object without returning the object itself Backup
ListBuckets Returns a list of all buckets owned by the authenticated sender of the request Storage configuration
ListObjects Returns some or all (up to 1,000) of the objects in a bucket Backup/Repository synchronization
PutObject Adds an object to a bucket Backup
UploadPart Uploads a part in a multipart upload Backup
UploadPartCopy Uploads a part by copying data from an existing object as data source (in-cloud copying). Used only with the following option Allow Synthetic Full backup, FFI (synthetic backup)

You can contact your storage provider support to check whether these operations are available in the selected storage, but the best way to test if your selected storage is suitable for the backup restore purposes, is to create test backup and restore plans for all types of backup you are planning to use.

Currently only Standard storage tiers may be supported for backup and restore operation. Long-term storage tiers you can use only at your own risk, and before to restore some backup data you will need to move it to a standard tier. To support Forever Forward Incremental backup (simple backup schedule) you should edit the storage account configuration manually to enable synthetic full backup.

S3 Compatible Storages Supported for Microsoft 365 / Google Workspace Backup

  • Minio
  • OVN
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