Avamar, Data Domain: Avtier Error <42736>: Failed to mark, reason: Function not supported

Summary: Cloud Tier jobs are not marking Avamar backups. The data-movement policy on Data Domain is incorrect.

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Symptoms

A cloud unit was recently added to or changed for the Avamar and Data Domain environment for Cloud Tiering. 

The following error is seen when trying to mark backups for Cloud Tiering from the Avamar tiering group:    
Avtier Error <42736>: Backup XXXXXXXXXXXX  Failed to mark, reason: Function not supported.

Cause

The data-movement policy that is created on the Data Domain is either missing or incorrect. 

Below is an example of an incorrect data movement policy "age-threshold."
boost@datadomain## data-movement policy show
Mtree                          Target(Tier/Unit Name)   Policy          Value
----------------------------   ----------------------   ------------- 
-------
/data/col1/avamar-xxxxxxxxxxxx    Cloud/Virtustream    age-threshold     14
days
----------------------------   ----------------------   -------------

Below is an example of a correct data-movement policy. If you see this, the rest of the article is not relevant to you as your data-movement policy is correct.
boost@datadomain# data-movement policy show
Mtree                                           Target(Tier/Unit Name)            Policy            Value
----------------------------                 ----------------------              -----------        -------
/data/col1/avamar-xxxxxxxxxxxx                  Cloud/Virtustream                app-managed       enabled
----------------------------                  ----------------------             -----------        -------

Resolution

Remove and readd the cloud unit information from the ddr-information, then add it back in from the UI.
Work with Support as needed.

Below video provides a quick Demo on how to enable Tiering and set policy on Avamar for Long-Term Retention.

Watch on YouTube

 

Produse afectate

Avamar

Produse

Avamar, Avamar Data Store Gen4S, Data Domain
Proprietăți articol
Article Number: 000065784
Article Type: Solution
Ultima modificare: 21 ian. 2026
Version:  4
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