I don't believe that the TKxxx series needs to be retensioned. Since it is 
only a single reel (vs the dual reel of the QIC and 4/8MM carts) each time 
it gets loaded it gets tensioned correctly between the supply reel and the 
takeup reel.

--Chuck

At 10:50 AM 6/14/01 -0400, NetBSD Bob wrote:
> > The TZ30 works fine on a vanilla SCSI bus, however it doesn't always
> > respond as a generic SCSI driver would expect for a SCSI tape drive. Some
> > commands it apparently doesn't implement. There are entries in the 
> 'quirks'
> > file for it.
>
>Speaking of getting a TKxx transport to stand on its head.....
>
>How does one properly retension a tape on a TKxx transport?
>
>I don't see an erase or retension function built into the hardware
>driver.
>
>About the only thing I can come up with is trying to get it to read
>to the end of tape by:   mt fsf n     (where n is some number larger than
>                                        the number of files on the tape)
>
>Anyone know of a correct/proper/workaround way to retension TKxx tapes?
>
>My particular reason for wanting to retension a tape is that on old
>tapes I appear to be getting the things beginning to stick between
>the layers of tape, thus slowing down the capstan counter and erroring
>out the transport.  Frustrating....
>
>Thanks
>
>Bob