Marc Evans <[EMAIL PROTECTED]> wrote: > I am running FreeBSD 6.0-STABLE as of Dec-15-2005 on a P4 system. I > have a CDRW drive attached, which identifies as follows: > > acd0: CDRW <CD-RW 52X24/K.NC> at ata1-slave UDMA33 > > I wish to use this device to produce CDRW backup disks periodically. > I use the following commands to produce the backup: > > burncd erase > sleep 2 # needed to avoid READY error > tar czf - ... | burncd data - fixate > > This appears to work fine, from the perspective of the output of the > commands, e.g. I see output like: > > blanking CD - 100 % done > next writeable LBA 0 > writing from stdin > written this track 633420 KB total 633420 KB > fixating CD, please wait..
> I have also tried writing an ISO9660 image and mounting it, with > similar problems at mount time. > > The above said, I am able to create CD-R data disks and mount them or > otherwise use them. I have tried several different CD-RW media, and > played with -s (the media is rated as 12x), but have observed no > changes. You could use readcd's c2scan option to check if your CD-RWs are OK. readcd is part of (/usr/ports/sysutils/cdrtools/) if you don't have atapicam in your kernel you have to kldload it. Fabian -- http://www.fabiankeil.de/
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