>
> Every night, I do a partial backup, one file on tape for each file
> system, about 12 in all. Subsequently I read the tape and list
> contents until I hit EOT. OK, the first time I use a tape, there will
> be nothing behind it. But the next time, the total length of tape
> written may be shorter, so there will be data after logical EOT. How
> is the program going to know where to stop?
Every time you stop writing, that's EOT. You can't read past it with SCSI
drives- really, no, you can't. You can seek to end of recorded data and
start writing, but you can't read past where you've written to.
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