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Re: dd: error reading '/dev/sr0': Input/output error




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
--
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