Date: Wed, 13 Apr 2005 04:54:04 -0700 (PDT) From: Arne "Wörner" <arne_woerner@yahoo.com> To: "Søren" Schmidt <sos@DeepCore.dk> Cc: FreeBSD Multimedia <freebsd-multimedia@freebsd.org> Subject: Re: Followup to DVD Burning question Message-ID: <20050413115404.34207.qmail@web41203.mail.yahoo.com> In-Reply-To: 6667
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--- Søren Schmidt <sos@DeepCore.dk> wrote: > Arne Wörner wrote: > > That's how I do backups with a DVD-RW: > > tar cf - ... | dd of=/dev/acd0 obs=32k conv=osync > > > > Unluckily my DVD-RW's cannot be used for UFS with my > > burner... I do not know why. > > DVD-RW doesn't quite cut it for UFS, you need DVD+RW media for > that. > Why? I can read and write the same block of a DVD-RW round robin. I mean: > dd if=a of=/dev/acd0 bs=32k count=1 oseek=10 > dd if=/dev/acd0 of= /dev/null bs=32k count=1 iseek=10 > dd if=b of=/dev/acd0 bs=32k count=1 oseek=10 > dd if=/dev/acd0 of= /dev/null bs=32k count=1 iseek=10 > dd if=c of=/dev/acd0 bs=32k count=1 oseek=10 > dd if=/dev/acd0 of= /dev/null bs=32k count=1 iseek=10 ... This looks just like a hard disc to me... If the answer would be too complicated, I withdraw my question hereby... -Arne __________________________________ Do you Yahoo!? Read only the mail you want - Yahoo! Mail SpamGuard. http://promotions.yahoo.com/new_mail
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