On Jan 25, 2017 12:24 PM, "Stan Sieler" <sie...@allegro.com> wrote: > We have a friend with a "tape" (DDS, DLT, or LTO ... don't know which yet) > to which was written a system backup. Thousands of files, with an EOF > between each file, and a double EOF + EOT at the end. > > The problem: > They then accidentally overwrote the start of the tape yesterday > with about 1 KB of data, plus EOT.
I hope someone can prove me wrong, but I think that short of a major effort to hack the drive firmware, the data is gone. Modern tape drives are "too smart" to allow reading past logical EOT, and the tape format is too complex to allow fooling the firmware by any simple means.
