From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Wed, 11 Oct 2006 00:14:15 +0200 From: Martin Neubauer To: Fans of the OS Plan 9 from Bell Labs <9fans@cse.psu.edu> Subject: Re: [9fans] scuzz doesn't like CD-RW? Message-ID: <20061010221415.GA31555@shodan.homeunix.net> References: <97010a14b9b45544faa19a7117f18316@plan9.bell-labs.com> <9f3897940610101456w42b3699k6e71ec8d6ee386f@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <9f3897940610101456w42b3699k6e71ec8d6ee386f@mail.gmail.com> User-Agent: Mutt/1.4.2.2i Topicbox-Message-UUID: c8362584-ead1-11e9-9d60-3106f5b1d025 * Pawe?? Lasek (pawel.lasek@gmail.com) wrote: > On 10/10/06, geoff@plan9.bell-labs.com wrote: > >Depending on the drive, you may also need to write multiples of 2048 > >bytes, padded if necessary. tar writes multiples of 512 bytes, so > >using dd to pad it might be necessary. Even then, if you write > >directly to /dev/sdD0/data, you'll need to fixate (close) the disc. > > Typical drives accept only 2048 bytes/sector (or variations for > certain types of recording where you write not only data but also have > to supply all that additional data which makes CD a 700 MB instead of > full 1 GB :>). > > IIRC 2048 b/s is standard sector size for data in CD-ROM standard Actually, the sector size is 2352 bytes, 2048 of which is data. The rest is mainly for error correction (which is vital for data and not needed for audio).