[Info-vax] DLT Tape degaussing services

[glen herrmannsfeldt]

Richard B. Gilbert <rgilbert88 at comcast.net> wrote:
 
> I'm not at all sure that a TK70 tape has the proper magnetic 
> characteristics to allow writing in a DLT drive; certainly not in a 
> DLT-3 or DLT-4 drive.  ISTR that some DLT drives could read TK50/TK70 
> tapes but not which ones.  At this point in time, a TK50 or TK70 drive 
> is probably more trouble than it's worth!  

Well, maybe not so bad for backing up an RT-11 or RSX-11
system.  I know there are Q-bus cards, is there software
to do that?

> Both the capacity and the 
> speed are too low to make them practical for backing up any reasonably 
> modern disk drive.  You could die of old age while waiting for a TK50 to 
> back up a four GB disk.  Your children would die of old age before it 
> finished an 80 GB disk!

I like ultrium for large capacity and reasonably priced tape.

-- glen