Loading...
Loading...
A backup job targetted at an ReFS based repository fails with “The request is not supported. Failed to duplicate extent" Examples: Agent: Failed to process method {Transform.CompileFIB}: The request is not supported. Failed to duplicate extent. Target file: <path>vbk, Source file: <path>vib, TgtOffset: xx, SrcOffset: yy, DataSize: zz Error: Agent: Failed to process method {Transform.Patch}: The request is not supported. Failed to duplicate extent. Target file: <path>vbk, Source file: <path>vib, TgtOffset: xx, SrcOffset: yy, DataSize: zz Full backup file merge failed Error: Agent: Failed to process method {Transform.Patch}: The request is not supported. Failed to duplicate extent. Target file: <path>vbk, Source file: <path>vib, TgtOffset: xx, SrcOffset: yy, DataSize: zz
This error can occur when there is a discrepancy between the ReFS cluster size that Veeam Backup & Replication (VBR) recorded during repository creation and the actual cluster size. For example, if the ReFS volume was initially formatted with a 4K cluster size when the repository was created within VBR, and then the ReFS volume was subsequently reformatted to a 64K cluster size, VBR would still assume the ReFS volume was formatted with a 4K cluster size. This incongruity between the last known cluster size and the actual cluster size causes Synthetic Full creation and Forever-Forward Incremental retention merges to fail.
To resolve this issue, you can force Veeam Backup & Replication to recognize the change in cluster size by following these steps: Identify the repository associated with the failing job. Edit that repository. Click Finish, and an infrastructure item update will occur. After completing these steps, rerun the job.
Veeam Integration
Learn more about where this data comes from
Bug Scrub Advisor
Streamline upgrades with automated vendor bug scrubs
BugZero Enterprise
Wish you caught this bug sooner? Get proactive today.