How to Use Multiple Backup Repositories Pointing to a Single Catalyst Store

KB ID: 2987
Product: Veeam Backup & Replication | 11
Published: 2019-08-13
Last Modified: 2022-08-24
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Challenge

To minimize backup job duration and reduce disk space used for backups, you can configure multiple Veeam Backup & Replication repositories on a single HPE StoreOnce Catalyst Store. However, due to the lack of folders concept on StoreOnce, such configuration may result in Veeam B&R metadata inconsistency, causing backup data corruption.

Solution

Known Issue

Due to a known issue, repositories created using the method documented in this KB article cannot be edited or rescanned via the GUI. PowerShell cmdlets can be used to edit or rescan the created repositories.

This issue will be resolved in a future release of Veeam Backup & Replication.

Note:  Once StoreOnce Repositories based on subfolders of a Catalyst Store have been created, a StoreOnce Repository using the parent Catalyst Store itself without a subfolder cannot be used and should be removed if it exists.

 

To create multiple StoreOnce Repositories using a single HPE StoreOnce Catalyst Store, and avoid backup data corruption, do the following:

  1. Create a new HPE StoreOnce Catalyst Store.
  2. Open an Administrative PowerShell on the Veeam Backup Server, and use the following cmdlet to create repositories:
    • Modify the parameters shown in <> to the correct values without the <>. (See syntax notes below)
    • Remember, to change <repository_name> and <subfolder_name> values when attempting to create multiple repositories.
Add-VBRBackupRepository -Name <repository_name> -Folder storeonce://<storeonce_fqdn>:<objectstore_name>@/<subfolder_name> -Type HPStoreOnceIntegration -StoreOnceServerName <storeonce_fqdn> -UserName <user> -Password <password>
PowerShell Syntax Notes
  • The format used in the example above is for stores over IP (Catalyst over Ethernet).
  • For FC-connected stores (Catalyst over Fiber Channel), replace the StoreOnce name with the "COFC" identifier for FC.
  • When using FC, you may also need to add "-Server <gateway>" before the user switch, where <gateway> is the Gateway server that has FC access to the storage.
  • Script Values that must be adjust prior to excution:
    • <repository_name> — the desired name of the backup repository
    • <storeonce>://<storeonce_fqdn> — the short name and FQDN of the StoreOnce appliance
    • <objectstore_name> — the StoreOnce Catalyst store name
    • <subfolder_name> — desired subfolder name.
      The subfolder name must differ for each repository.
    • <storeonce_fqdn> — the FQDN of the StoreOnce appliance
    • <user> — Admin
    • <password> — Admin user password
  1. After creating the desired repositories, they may be used as the target for Veeam backup jobs.
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