Veeam Backup & Replication 9.5 Update 4
User Guide for VMware vSphere
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Understanding Object Storage Repository Structure

When backup data is being offloaded, Veeam creates and maintains the predefined directory structure in buckets and containers of your object storage repository.

The structure is as follows:

Object Storage Repository Structure




<bucket_name> or <container_name>

A bucket or container name.

Buckets and containers must be created in advance.



Standard folders created by Veeam.


A repository folder that you create when adding a new object storage repository.


Contains objects in a backup.

These folders will be automatically removed during data removal.


An identifier of an object in a backup.

  • If a backup was created using the Per-VM method, then each VM will be placed to its own directory.
  • If a backup was created as a single storage, then all the VMs will be placed to a single directory.


Contains meta information.


Contains a replicated version of offloaded backup files with metadata that also remain on the source extents.


Contains offloaded data blocks created by the offload session, as described in Data Transfer.


Contains meta information about the latest state of the offloaded backup chains. Such meta information is updated upon every successful offload session.


Contains auxiliary system information to work with encrypted backups.


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