Magnetic tape filesystem

Johnny Billquist bqt at
Mon Feb 9 04:29:59 CST 2015

On 2015-02-09 02:16, Mark J. Blair wrote:
> This may not be close enough to what you're looking for, but DEC put the RT11 filesystem on TU58 tapes. They could be used just like very slow floppies. The tape drive took care of locating logical blocks on the tape, essentially providing a block type device to the computer.

Very different.

The TU58 behaves like a disk, not a tape.

Anyway, ANSI is a "file system" for tapes. A "normal" file system will 
be very hard, since that would require the ability to rewrite existing 
blocks in the middle of the tape, which is a scary thing to try.


Johnny Billquist                  || "I'm on a bus
                                   ||  on a psychedelic trip
email: bqt at             ||  Reading murder books
pdp is alive!                     ||  tryin' to stay hip" - B. Idol

More information about the cctech mailing list