dvdisaster

Error correcting codes for optical media images

Optical media (CD,DVD,BD) keep their data only for a finite time (typically for many years). After that time, data loss develops slowly with read errors growing from the outer media region towards the inside.

Dvdisaster stores data on CD/DVD/BD (supported media) in a way that it is fully recoverable even after some read errors have developed. This enables you to rescue the complete data to a new medium.

Data loss is prevented by using error correcting codes. Error correction data is either added to the medium or kept in separate error correction files. Dvdisaster works at the image level so that the recovery does not depend on the file system of the medium. The maximum error correction capacity is user-selectable.

Versions: 0.79.10
Website: https://dvdisaster.jcea.es/
Licenses: GPL 2+
Package source: gnu/packages/cdrom.scm
Builds: See build status
Issues: See known issues

Installation

Install the latest version of dvdisaster as follows:

guix install dvdisaster

Or install a particular version:

guix install dvdisaster@0.79.10

You can also install packages in augmented, pure or containerized environments for development or simply to try them out without polluting your user profile. See the guix shell documentation for more information.

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