In our environment we backup our file server to a staging server via a network share. The share is NTFS. It has aprox 128gb free, the full backup has been done and it has successfully been doing incs for around a week. It has suddenly started failing due to space! ill paste the logs in:
14-May-2013 23:00:00 service 100 service (build 53) started job by incremental trigger
14-May-2013 23:00:00 service 104 5.0.1.23057 81AE-39AB bqnjQjI801F01qgTaHmodw== 7018-F573-5A61-9751-9E04-DE61-2A9F-1F1C
14-May-2013 23:00:00 service 100 backup volume E:\ (NTFS)