ANS14443E 'fs' is a CSVFS file system, which is not a supported file system type for file backup, image backup or archive.
Explanation
Microsoft Cluster Shared Volumes File Systems (CSVFS) are NTFS or ReFS volumes that are added to Cluster Shared Volumes. These volumes are intended for Hyper-V and expanded support for SQL, not for regular file data. TSM does not support file level backup and archive or image backup for CSVFS volumes.
System action
The file system is skipped. Processing continues with the next file system.
User response
Refer to the TSM client manual for a complete list of supported file systems.