Projects / scdbackup


scdbackup is a simplified CD/DVD backup program for Linux. It can back up large amounts of data on one or more media, with no special tools needed for reading the backup. It supports ISO9660 filesystems and afio archives. Its special features are automatic division of data into multiple volumes, verification of write success, incremental backups, a search and restore helper for large ISO9660 backups. CDs get written via cdrecord, wodim, cdrskin, or xorriso. DVDs and BDs get written via growisofs, cdrskin, or xorriso.

Operating Systems

Recent releases

  •  16 Dec 2009 10:34

    Release Notes: sdvdbackup commands are now tested with Blu-Ray (BD) media. Use the -bd option for media with "25 GB" and -bd_dl for media with "50 GB". If the xorriso program is used as the ISO 9660 formatter, then file names with newline characters are handled properly, ACLs get recorded, and each data file gets equipped with an MD5 checksum.

    •  24 Sep 2009 18:12

      Release Notes: scdbackup has been patched to avoid a bug in older versions of xorriso which caused data losses with the split pieces of files larger than 2 GB. Affected DVD media can be recognized by their payload lacking full 2 GB. CDs are not affected.

      •  30 Jul 2008 08:52

        Release Notes: The configuration now allows the choice of xorriso as the ISO9660 formatter and as the burn program. This enables scdbackup to split oversized files without needing a large disk buffer. Remote scdbackup installations may be used via SSH instead of a burn program. Regular expressions can exclude files from the backup if their leafnames match. Media types BD-R and BD-RE are permitted but have not been tested yet.

        •  06 Aug 2007 10:40

          Release Notes: scdbackup now supports wodim and cdrskin as CD/DVD burn backends, as well as the ISO9660 formatter genisoimage. The helper application scdbackup_askme is able to quickly find files in large incremental backups, to guide through extraction of single files, or to perform the full restore of a whole backup.

          •  27 May 2006 11:01

            Release Notes: Backup volumes are now composed alphabetically by default. Incremental backup preparation has become much faster. An appendix about preparations for disaster recovery has been added to the README file.


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