Yuri Baranov <[email protected]> wrote: > Hi, everybody! > > When I chose DVD-RAM as the backup media for my data, the important > factor was built-in hardware defect management. > > So I took for granted, that any OS which supports UDF writing, should > also support automatic verification and reallocation of bad blocks. > > However, I recently has tried to copy a huge (about 4Gb file) database > backup (Ubuntu Linux Server 8.04.3 , mount /dev/dvdram /mnt/dvdram && > cp /backup/hugefile /mnt/dvdram) I got a non-readable target file. > dmesg output contained lines like > [345555.460831] Buffer I/O error on device sr0, logical block 54040 > > When I tried to copy smaller files (10-200Mb) to the disk - some of > them copied OK and other still contained errors. Not every block of > the medium was bad!
Did you try "sformat" from the schily source consolidation at: ftp://ftp.berlios.de/pub/schily/ Jörg -- EMail:[email protected] (home) Jörg Schilling D-13353 Berlin [email protected] (uni) [email protected] (work) Blog: http://schily.blogspot.com/ URL: http://cdrecord.berlios.de/private/ ftp://ftp.berlios.de/pub/schily -- To UNSUBSCRIBE, email to [email protected] with a subject of "unsubscribe". Trouble? Contact [email protected]
