smbtar(1) on Linux
The text 400537b59b8c, as Debian 7 (Wheezy) shipped it.
shell script for backing up SMB/CIFS shares directly to UNIX tape drives
Flags it lists
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-N -
-X -
-a -
-b -
-d -
-i -
-p -
-r -
-s -
-t -
-u -
-v -
-x