unsubscrible

["HUS" <>]

-----Original Message-----
From: Edward Lukacs <eml@fermi.usno.navy.mil>
To: axp-list@redhat.com <axp-list@redhat.com>
Date: Saturday, December 11, 1999 6:12 AM
Subject: Re: Unidentified subject!


>There's a pretty good four pages in Sams' (Red Hat's) Linux Complete
>Command Reference, pages 1096 to 1100.  If it's Red Hat, perhaps
>you might find it on line?
>
>Hope this helps.
>
>Ed Lukacs
>
>>
>> "Dr. David Gilbert" wrote:
>> >
>> > On Fri, 10 Dec 1999, Joachim De Beule wrote:
>> >
>> > > Hello,
>> > >
>> > > Can somebody tell me where I can find documentation on the drivers
/dev/st0 and
>> > > /dev/nst0 ?
>> >
>> > Well I was hoping that there should be a manual on 'st' in section 4 -
but
>> > at least on this system it is missing - hmm.
>> >
>> > But there isn't much to it for most jobs; st0 is the first SCSI tape
>> > drive.  st0 rewinds the tape after it is closed, nst0 doesn't.
>> > You can write directly to either device using tar or most other things
you
>> > fancy.
>> >
>> > The 'mt' program is used to control the tape (rewind, eject, forward
wind,
>> > change some parameters). There is a manual page for that.
>> >
>> > The trick to remember is that you have multiple things on the tape then
>> > you must use nst0 - because:
>> >
>> > tar -cvf /dev/st0 stuff
>> > tar -cvf /dev/st0 morestuff
>> >
>> > will not work since after the first tar closes st0 it will rewind the
>> > tape, so instead you do:
>> >
>> > tar -cvf /dev/nst0 stuff
>> > tar -cvf /dev/st0 morestuff
>> >
>> > Similarly using mt to wind the tape on st0 is pretty useless since the
>> > tape always gets rewound after mt exits!
>> >
>>
>> All this is true of command line programs but one can also
>> write your own program to do pretty much whatever you like.
>> Then, you need to know about the ioctl()'s that make tape
>> drives do useful things. "man st" does work on my systems
>> and explains what you can do. I use tape drives extensively
>> on my Alphas and they work fine. I've read very large blocks
>> with a little kernel massaging... (14MB)
>>
>>
>> Wes
>>
>> --
>> To unsubscribe: send e-mail to axp-list-request@redhat.com with
>> 'unsubscribe' as the subject.  Do not send it to axp-list@redhat.com
>>
>>
>>
>
>
>--
>
>    _/_/_/_/   _/_/    _/  _/   | Edward M. Lukacs
>   _/         _/ _/ _/_/  _/    | US Naval Observatory
>  _/_/_/     _/  _/  _/  _/     | 3450 Massachusetts Avenue, NW
> _/         _/      _/  _/      | Washington, DC 20007
>_/_/_/_/   _/      _/  _/_/_/_/ | Phone: 202-762-0291 DSN: 762-0291
>
>
>--
>To unsubscribe: send e-mail to axp-list-request@redhat.com with
>'unsubscribe' as the subject.  Do not send it to axp-list@redhat.com
>