My data backups to DVD use mkisofs to build ISO9660 DVDs like so:
mkisofs -J -joliet-long -r -hide-rr-moved -graft-points dir1 dir2 dir3
and then piped into cdrecord. However, I found a problem with one file
that casts some doubt on the whole process. The file is named
img_0185-6x4crop.jpg and is 3,309,906 bytes. On the hard drive, it
reads fine.
The filename is present on the DVD, but the file always gives a read
error:
# file img_0185-6x4crop.jpg
img_0185-6x4crop.jpg: ERROR: cannot read `img_0185-6x4crop.jpg'
(Input/output error)
It's not a one-time error; every DVD always has the same problem. What
is going wrong? A poison filename?
-Warren Block * Rapid City, South Dakota USA
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