Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!zaphod.mps.ohio-state.edu!samsung!uunet!mcsun!cernvax!chx400!bernina!karrer
From: karrer@bernina.ethz.ch (Andreas Karrer)
Newsgroups: comp.unix.admin
Subject: Re: parameters for (r)dump to an exabyte
Message-ID: <1991Jun21.101829.17032@bernina.ethz.ch>
Date: 21 Jun 91 10:18:29 GMT
References: <1991Jun19.222701.29689@cs.ucla.edu> <1991Jun20.084904@thuja.gsfc.nasa.gov>
Organization: Swiss Federal Institute of Technology (ETH), Zurich, CH
Lines: 27

karl@thuja.gsfc.nasa.gov (Karl Anderson) writes:

>frazier@oahu.cs.ucla.edu (Greg Frazier) writes:

>|> 	Could somebody give me the appropriate parameters for
>|> doing a dump to an exebyte tape (2 gbyte)?  For the record,
>|> what I just tried was
>|> 	dump 0usdf 6000 54000 /dev/rst1 filesystem
>|> as specified in the man page.  Thanks for any help.
>|> -- 

>I use b 126 and s 14025.  I don't specify d.  Works like a champ, for
>both local and remote dumps on an all-Sun network.

It would work even better if you used "buffer" as in:

	dump 0f - /dev/rXXX | rsh exahost "buffer -s 126b > /dev/exabyte"

"buffer is a program that forks itself into a reader and a writer process that
communicate thru shared memory. It is written by Lee McLoughlin, Imperial College,
London. If you can't find it enywhere else, it's in 
ural.ethz.ch:software/source/buffer.tar.Z.


+-----------
  Andi Karrer, Communication Systems, ETH Zuerich, Switzerland
  karrer@bernina.ethz.ch                 - terible simplifieur