Date: Fri, 26 Jun 2009 16:40:46 -0400 From: Lowell Gilbert <freebsd-questions-local@be-well.ilk.org> To: freebsd-questions@freebsd.org Subject: Re: Adding data to existing CD/DVD Message-ID: <44eit6sp81.fsf@be-well.ilk.org> In-Reply-To: <BLU0-SMTP148AE538836353A1EECA6C93350@phx.gbl> (Carmel NY's message of "Fri\, 26 Jun 2009 14\:01\:11 -0400") References: <BLU0-SMTP148AE538836353A1EECA6C93350@phx.gbl>
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Carmel NY <carmel_ny@hotmail.com> writes: > I have tried both xfburn and cdrecord; however, I cannot figure out how > to add data to an existing CD, or create a CD that I can later add data > to. It seems that once the CD is written to, this disc is closed. I > have seen a few options that allow writing to the disk multiple times; > however, they are then only viewable on a FreeBSD system. I need to > create discs that are viewable on multiple OS's and that I can add data > to after the initial burn. Using mkisofs creates an ISO that makes > adding data to impossible as far as I can tell. You need to *not* fixate the disk, and on subsequent sessions you need to tell mkisofs where to start the new image. The burning command also needs to know that it's a multi-session disk. See the "-C" option for mkisofs, and the "-multi" option for cdrecord. My crib sheet for burning disks provides an example: # first session TZ=UTC-5 mkisofs -R $filenames |cdrecord -v driveropts=burnfree -multi -data -tao - #other sessions OFST=`cdrecord -msinfo` echo $OFST TZ=UTC-5 mkisofs -M $dv -C $OFST -R $filenames |cdrecord -v driveropts=burnfree -tao -multi -data -eject - > On windows, it is easily done. I just cannot get a handle on how to do > it on FreeBSD. Maybe I need a different program? Certainly the sysutils/k3b port makes it much simpler. But the command line is quite easy too, now that I have a working script written down. -- Lowell Gilbert, embedded/networking software engineer, Boston area http://be-well.ilk.org/~lowell/
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