[EMAIL PROTECTED] (Gary W. Swearingen) wrote: > Brian Henning <[EMAIL PROTECTED]> writes: > > > I would like to know a process to verify that I my cd burner has > > burned an ISO file correctly with burncd. I know I can take some > > precautions like checking the md5sum of the iso during a transfer from > > the Internet. I also read on the Internet that burncd does puts some > > extra padding at the end of the cd. I am not sure if that is true or > > not. Could someone tell me how to verify a cd burn? > > Here's a crummy script I just used to burn and verify a CD, but I've > only tested it with the "cdrecord" setup. Older versions of it worked > with "burncd" on older OS versions, but I can tell you that the reason > I'm using "cdrecord" is that my manual efforts to do this with > "burncd" on 5.4-RELEASE (and maybe 5.4-STABLE a couple weeks ago) > failed, because I couldn't "dd" a CD burned with "burncd". (IE, I > couldn't sucessfully "dd" /dev/acd0, while I could "dd" /dev/cd0). > > (Search this for "diff" to find the "verify". ISO images generally > get an extra two blocks of something on the CD "for run-out". See > "-isosize" description of "cdrecord" manpage.)
Not generally, only if you burn in TAO mode. BTW you can use readcd -c2scan to check the burning quality at a deeper level and there even is a patch out there to make reading c1 error pointers possible. Haven't tested it though. Fabian -- http://www.fabiankeil.de/
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