On Monday 10 December 2018 00:34:58 md wrote: > When copying a dvd to file on the harddrive, I'm getting the message > dd: error reading '/dev/sr0': Input/output error > If I first run dvdbackup, then Ctrl-C out of it. I can then reissue > the dd command and it will finish fine. If I eject the dvd then insert > another dvd, the same situation occurs. > Classic slow spinup. You can get a better dvd drive that /might/ be faster.
> My system: > > MD> lsb_release -a > No LSB modules are available. > Distributor ID: Debian > Description: Debian GNU/Linux 9.6 (stretch) > Release: 9.6 > Codename: stretch > > example terminal session:: > > MD> sudo dd if=/dev/sr0 of=/sdb1/movie.iso > 32596480 bytes (33 MB, 31 MiB) copied, 7.00018 s, 4.7 MB/s > dd: error reading '/dev/sr0': Input/output error > 67688+0 records in > 67688+0 records out > 34656256 bytes (35 MB, 33 MiB) copied, 7.55342 s, 4.6 MB/s > > MD> dvdbackup -M > libdvdread: Attempting to retrieve all CSS keys > libdvdread: This can take a _long_ time, please be patient > libdvdread: Get key for /VIDEO_TS/VIDEO_TS.VOB at 0x00000142 > libdvdread: Elapsed time 0 > <snip> > libdvdread: Elapsed time 0 > ^C > MD> sudo dd if=/dev/sr0 of=/sdb1/movie.iso status=progress > 7996654080 bytes (8.0 GB, 7.4 GiB) copied, 1831 s, 4.4 MB/s > 15621264+0 records in > 15621264+0 records out > 7998087168 bytes (8.0 GB, 7.4 GiB) copied, 1831.44 s, 4.4 MB/s -- Cheers, Gene Heskett -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) Genes Web page <http://geneslinuxbox.net:6309/gene>