>I have just been fiddling with trying to share a copy of a cdrom. My idea
>was to copy the contents of the cd to my hard disk and share from there
>using samba.
>
>For some reason that I can't remember I think I can't just use cp to copy
>the cd contents to the hard disk. (Perhaps someone could tell me if I am
>making this much more complicated than it need be.)
>
>I tried: dd if=/dev/hdb of=/home/test3
>
>followed by: mount -t iso9660 -o loop /home/test3 /mnt/test
>
>It seems to work (sort of). However at the end of the dd I get these
>errors.
>
>HDB: Command Error: Status=0x51 {DriveReady SeekComplete Error }
>HDB: Command Error: error 0x54
>end_request: I/O error, dev 03:40 (hdb), sector 1165908
>ATAPI device hdb:
> Error: Illegal request -- (Sense key = 0x05 )
> Logical block address out of range -- (asc=0x21, ascq=0x00)
>
>& then all the same errors for sector 116912
>
>So I am not sure that I am really getting the full contents of the cd
>correctly. My test3 file is about half a MB larger than the cd.
You haven't told dd how many blocks to copy so it ran past the end of the
disk. What you should do to avoid this problem (just warnings actually)
is find out the number of blocks on the CD, either by mounting it,
or by running isoinfo (from metalab.unc.edu), then copy just that many
2kB blocks.
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