Amazon S3 (Simple Storage Service)


You can use the Metallic software to back up and restore data in Amazon Simple Storage Service (S3).


Data You Can Back Up

  • Object storage repositories

  • Metadata of the object

  • ACLs of the object

  • Tags of the object

Backups You Can Perform

  • Full backups

  • Incremental backups

  • Synthetic full backups

When You Can Perform Backups

  • On a schedule: The server plan that you assign manages scheduled backups

  • On demand: You can perform on-demand backups at any time


Data You Can Restore

  • Object storage repositories

  • Metadata of the object

  • ACLs of the object

Backups You Can Use for Restores

  • The most recent backup: For example, restore the most recent backup to its original location

  • A backup from a specific date: For example, restore data to a point in time before it became unusable

  • Backups from a date range: For example, restore data that was accidentally deleted

Destinations You Can Restore To

  • The current location

  • A different region in AWS

  • The original bucket

  • A different bucket in the same cloud

  • The following cloud storage systems:

    • Azure Blob

    • Azure Files


The following terminology applies to S3:



access control list (ACL)

ACLs enable you to manage access to buckets and objects. Each bucket and object has an ACL attached to it as a subresource. It defines which AWS accounts or groups are granted access and the type of access.


The entity that represents the data in a S3 storage account. You can configure multiple object storage repositories to manage multiple S3 storage accounts.


The entity that represents a collection of S3 objects.

content group

The entity that defines the S3 data to be backed up.


The entity that represents a unit of storage in S3.

object storage repository

The interface that backs up the S3 data.