Re: tlug: enscription thru loop device.

[Kei Furuuchi <kfur@example.com>]

Scott Stone writes:
 > On Sat, 10 Oct 1998, Kei Furuuchi wrote:
 > 
 > > Scott Stone writes:
 > >  
 > >  > > $ dd if=/dev/zero of=cdr.img bs=1024 count=650000
 > >  > > 
 > >  > > ....well, I don't know what the size of a CDROM exactly is. Put
 > >  > > into count the correct number. This is raw size - unformatted.
 > >  > 
 > >  > It's 650 * 1024 = 665600 1k blocks.
 > > 
 > > My Mitsubishi media have 335100(sectors) x 2048(byte/sector) =
 > > 686,284,800 byte. But, it / 4 (byte/sample) / 44100 (sample/sec) / 60
 > > (sec/min) is 64.842 which does not add up to 74 min.
 > 
 > well, when I make CD images here, which I do often, as long as the 'du -s'
 > on the .img file reports <= 665600 blocks, it fits on the CD.  More than
 > that, and it doesn't fit :)

Other media I know of have capability of 336225 sectors. 
Following your advice, I switched to cdrecord which can exactly write
the sectors mkisofs reports leaving out padding.

Regards,
Kei.
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