The following error appeared even if the backup job was running sufficiently for a long time and there is enough space on the backup location.
Write on "VDI-X6XX4260-XX54-4X07-8X9X-6X01X73416X9_2" failed (error not found)
A non recoverable I/O error ocurred on file "VDI-X6XX4260-XX54-4X07-8X9X-6X01X73416X9_2" 995 (error not found).
The LiteSpeed application creates temp files during backup. If the backup process is terminated or unsuccessful it may cause these temp files to not be deleted.