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Create an exact duplicate of a CD from the command line
Authored by: susanrm on Oct 07, '06 08:21:22AM

This looks like the perfect solution for me, but unfortunately it didn't work. It ended with an Input/output error. The image was there and the right size, but when I tried to mount it to check it out, it said, "No mountable file systems." It was originally a two-session CD, audio and data.

I tried burning the outfile.iso anyway, and it burned, but it did not mount anything, nor did it show dual sessions in Disk Utility.

One discrepancy was that at Step 2, because it had multiple sessions, the CD showed as multiple filesystems. When I unmounted just /dev/disk1, the whole thing unmounted, so I figured I should just use that. Was that wrong?

Any hints? It would really be great.

Susan



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