> This is an interesting point. I see several redundancy tools like par2, > dvdisaster, ras, ... > > http://www.debian.org/doc/manuals/debian-reference/ch10.en.html#_data_redundancy > > (par2 seems to support similar feature claimed by rar and has many GUI > tools.) >
It seems that those tools are very uncommon and if/when I need the data I will not be in the mood for experimentation. I will try to use only well-known and widely distributed tools. >> I think that 7zip supports this, I am looking into it. > > 7zip support RAR for unpacking with non-free p7zip-rar package. > >> I may just add 7zip support. 7zip is FOSS, too, so that is good. > > but RAR module for 7zip is non-free. > I see. > FYI: I sometimes use data redundancy for some critical backups with > dvdisastar. But I also find that the time to create redundancy data is > non-trivial. I tend to make multiple copies as "REDUNDANCY" for backup > in most of time. Also, CD and DVD data are written to physical media > using Reed-Solomon FEC (forward error correction) thus inherently > somewhat redundant. I also used to care about partial recovery and used > afio with -Z option than any global compression like zip/tar.gz/tar.bz2. > Now I am just lazy tar.gz (or even without compression for speed). Just tar is too big, but even moderate compression is good enough. > Making backup is more important than how we do it! > This is very true! No matter what is decided, I will be better off than those with no backup. Thank you all, I learned a lot from this thread. -- Dotan Cohen http://what-is-what.com http://gibberish.co.il -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org
