Offloading to Object Storage Fails With: Backup file version mismatch: scale-out backup repository rescan is required.

KB ID:	4303
Product:	Veeam Backup & Replication \| 12 \| 12.1
Published:	2022-04-22
Last Modified:	2024-02-14

Challenge

SOBR Offload task fails with the error:

Error: Backup file version mismatch: scale-out backup repository rescan is required.

Error: Backup file version mismatch: scale-out backup repository rescan is required.

Cause

There is a discrepancy between the information within the Veeam Backup & Replication configuration database and the metada in the object storage repository.

Solution

How to Rescan the Scale-Out Backup Repository

Disable all jobs that are targeting the Scale-Out Backup Repository
Ensure no Offload tasks are running for the Scale-Out Backup Repository
Configure a Capacity Tier Window to prevent offloads from occurring
If a custom window is configured, take a screenshot of it before setting Denied to all time periods to make it easier to revert later in the steps.
1. Edit the Scale-Out Backup Repository
2. Go to the Capacity Tier tab
3. Click the hyperlinked word after "Offload window:" ( Any time / Restricted )
4. In the Time Periods window that appears:
  1. Click Denied on the right side.
  2. Highlight all time periods.
  3. Click Permitted, and select a single time slot 2 hours before now. (This will prevent offload from occurring for the largest amount of time.)
  4. Click Ok
5. Click Finish to save the settings for the Scale-Out Backup Repository.

Wait 5 minutes to allow backend tasks to complete.
Rescan the Scale-Out Backup Repository.

After the Rescan completes, Enable jobs from Step# 1.
Revert the Offload Window changes made in Step 3 above.
Force the Tiering Job to start.
Hold Ctrl and right-click the Scale-Out Backup Repository, and select "Run tiering job now"

More Information

If, after performing the steps in the Solution section, the issue continues to occur, please do the following:

Collect a new set of logs for the Offload.
- Use the 3rd option to Export logs by components.
- Select all servers associated with the Offload job, including:
  - The Veeam Backup Server
  - Gateway Server for the Object Storage
  - Gateway Server(s) for SOBR Performance extent(s).
Create a Backup of the Veeam Configuration database
Create a Support case and attach the collected logs and database backup to the case.

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