In message <Pine.NEB.4.33.0201022327210.760-100000@chylonia.3miasto.net>, Wojci
ech Puchar writes:
>> (http://www.cnn.com/2001/TECH/ptech/12/29/review.dvd.recorders.ap/index.html
>)
>> claims that (in the U.S.) DVD-Rs cost about $10, and rewritable ones
>> about $5 more.  I haven't tried hard to verify either number, but a
>
>so it's very expensive in poland only (about 2x)
>
>15$/5GB disk will be cheap.
>
>> 30-second search of one Web site found one brand of rewritable DVD at
>> US$19.  Not cheap, compared to CD-R, but I can certainly afford a few
>> for level 0 dumps.  And as you point out, most level 1 and higher dumps
>> won't take up more than one CD-R.
>>
>> As for
>>
>> > you always can record through pipe.
>> > i recorded >500 CD's through pipe on 6x speed CD-R on P-133 with 5400RPM
>> > IDE drive, often while listening to mp3's, browsing www, reading
>> > mail/news, sometimes compiling and NEVER had buffer underrun.
>>
>> Yes, I can write a script that uses pipes, and I probably will (I
>> hadn't realized that piping dump | mkisofs | cdrecord would work).  But
>
>no mkisofs!!!!!
>
>manually:
>
>mkfifo /tmp/cdrecord
>
>dump ........parameters.... -B 666000 -f /tmp/cdrecord
>
>on another console
>
>cdrecord -v blank=fast speed=xxx /tmp/cdrecord
>
>and when dump prompts for next media rerun cdrecord and then hit enter in
>dump

Thanks -- I hadn't realized that that would work.  And with a bit of 
tweaking, it would be a nice use for portal_fs.

		--Steve Bellovin, http://www.research.att.com/~smb
		Full text of "Firewalls" book now at http://www.wilyhacker.com