Subject: Re: Suggestions for a backup solution
To: Wojciech Puchar <firstname.lastname@example.org>
From: Steven M. Bellovin <email@example.com>
Date: 01/02/2002 17:41:34
In message <Pine.NEB.firstname.lastname@example.org>, Wojci
ech Puchar writes:
>> 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
>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
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