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Re: reading the raw iso from a CD-Extra (multisession CD)



Edmund GRIMLEY EVANS <please_reply_to_the_list <at> rano.org> writes:

> $ dd if=/dev/cdrom of=data.iso bs=1024
> dd: reading `/dev/cdrom': Input/output error
> 0+0 records in
> 0+0 records out

I don't get it ... dd does not understand fs be it iso or else. It just copy the
medium bytes , the i/o error means that it cannot access the medium . Could you
try with the real device file (hdx or sdx) ?

>From memory i would tell that bs should be 512 (this depend on the driver which
sometimes have a 512 bytes jumper especially rw ones).

Alban






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