Path: utzoo!attcan!utgpu!jarvis.csri.toronto.edu!mailrus!uwm.edu!lll-winken!sun-barr!newstop!sun!coherent!next!king
From: king@next.com (Peter King)
Newsgroups: comp.os.mach
Subject: Re: swapping on an NFS file
Message-ID: <79@next.com>
Date: 20 Oct 89 19:42:27 GMT
References: <956@umb.umb.edu>
Reply-To: king@next.UUCP (Peter King)
Organization: NeXT, Inc.  Private News System
Lines: 21

In article <956@umb.umb.edu> karl@umb.umb.edu (Karl Berry) writes:
>
>Is it possible to swap on an NFS file with Mach on a NeXT machine
>running 0.9? (I don't know what version of Mach it is.)

Yes.

>mach_swapon /pathname/foo.swap
>
>and it came back with
>
>mach_swapon: mach_swapon failed: Error 0

The 0.9 version of mach_swapon had a problem reporting errors
correctly.  There can be a number of things happening.  First, you
must be super user to run mach_swapon.  Second, the file must not be
open by any other process.  Third, you can't do a mach_swapon more
than once on a file.

Peter King
NeXT System Software