My Experience archiving data to Blu-Ray discs.

This page summarizes the projects mentioned and recommended in the original post on /r/DataHoarder

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  • dvdisaster

    A tool providing additional ECC protection for optical media (unofficial version)

    Maintainer of the "unofficial" (as in "I'm not the original author) GitHub version of dvdisaster here ( ). The way dvdisaster works for so-called augmented images (codecs RS02 and RS03) is that it appends its data to the end of the "iso file", regardless of what it contains : ISO9660, Joliet, Rock-Ridge, UDF, or any combination of those. In fact it doesn't need to understand the iso layout at all. It actually only understands ISO9660 and uses that to try to locate the last sector of data on an augmented discs, and tries to read the sector after that see if it contains a dvdisaster signature. If it doesn't, or the medium doesn't contain ISO9660 or it does but lies on the last data sector (ImgBurn produced isos do that), it'll fallback to look at well known sector numbers given by its clever algorithm, and will always end up finding its way. This makes sense, especially for RS03 : if critical sectors of the disc are damaged (iso9660 or udf structures) AND the first dvdisaster sectors are dead too, it'll STILL manage to save your disc as long as enough of its own ECC sectors are readable, no matter which ones. There is no "master sector that needs to be intact or all is lost. This piece of software is really underrated!

  • MultiPar

    Parchive tool

    A better PAR2 tool is MultiPar. It's multithreaded and features GPU support.

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NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.

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