Well, it seems to work in NetBSD with the same CDs that don't work in OpenBSD, so I think it's a bug.
TimH > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of > Ralph Zeller > Sent: Tuesday, December 18, 2001 12:22 PM > To: [EMAIL PROTECTED] > Subject: [EUG-LUG:606] Re: Using dd to create iso > > > Tim, > > If the CD isn't recorded as an iso image, the dd command below can't > create one. > For instance, if you're trying to read a music cd or an ext2 > filesystem > you will need a different tool. The dd command below works > fine for me > if an iso was burned to the CD. > > Ralph > > At 10:47 AM 12/18/2001 <[EMAIL PROTECTED]> wrote: > >Consistently, when I try to use dd to create an iso file > from a CD, the > >iso file becomes much larger than it could possibly be. I > ussually stop > >it when it hits a gig. > > > >Everywhere I look online suggests that this should work: > > > >dd if=/dev/cd0c of=/path/image.iso > > > >But it just keeps on writing until it fills the disk. > > > >I have also tried playing with block sizes. I believe a CD9660 file > >system has a block size of 2048 and my ffs file system on OpenBSD is > >512k blocks. > > > >So I have tried bs=512 and bs=2048, and I have also tried ibs=2048 > >obs=512. No matter what I do, that sucker just keeps on > writing. Using > >dd normally always worked in BeOS... Is there something else I could > >try or is this function buggy in OpenBSD? > > > >TimH > > >
