[comp.sys.hp] How to "goto end of tape" for DDS ?

eilif@imm.unit.no (Eilif Pedersen ) (04/04/91)

The header presents the problem !

jco@sparky.cis.ufl.edu (Dumpmaster John) (04/05/91)

Which end of tape do you mean? Physical end?  or the end of what you've
writen so far?

The first I'd say, why?

the second use mt -t/dev/nonrewinding_dds_drive eom

You want to use the do not rewind on close or else it will take it to the
end and then rewind it for you (not normaly useful).

eom is end of media (which is 2 end of tape marks).  

To get around between files you use fsf (forward step file) and bsf (back
step file). [on evil SunOS machines they also have asf (absolute step file).
So on high density tapes you have some chance of finding more than one file]

While on the subject of busted stuff it's -t on HP-UX and -f on everything
else (breaks my scripts) and status is not impelment (so it's hard to know
where you are).  Yea I know this isn't SunOS, but when you deal with tapes
and multi-vendor arch, little things like at least making the option work
the same and add some advanced features goes a long way to making things
less painful than they all ready are.

later
jco

--
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stevej@hpcpbla.HP.COM (Steve Jerman) (04/08/91)

With HP-UX 7.0 you have to space forward a large number of filemarks -

     mt fsf 10000

This will give an error but will get you to EOD.

On HP-UX 8.0, an easier way of doing the same thing will be available. You
will be able to do the following :

     mt eod

Wonderful thing progress, isn't it? 

Steve

Steve Jerman
Hewlett Packard
Computer Peripherals Bristol

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