Path: utzoo!yunexus!ists!mike
From: mike@ists (Mike Clarkson)
Newsgroups: comp.mail.misc
Subject: Re: central mail server
Keywords: mail NFS
Message-ID: <225@ists>
Date: 8 Oct 88 07:00:42 GMT
Article-I.D.: ists.225
References: <363@asuvax.UUCP> <464@Terra.cc.brunel.ac.uk> <9449@swan.ulowell.edu> <584@utkcs2.cs.utk.edu>
Organization: Institute for Space and Terrestrial Science
Lines: 24

In article <584@utkcs2.cs.utk.edu|, moore@cygnusx1.cs.utk.edu (Keith Moore) writes:
| Someone asked (regarding mail delivery software on NFS systems):
| | How do you deal with record locking over NFS?
| 
| To which Bill Nowicki <nowicki%rose@Sun.COM| replied:
| |The standard mail software does not use record locking, so it is not an
| |issue.  Note that in SunOS 4.0 the scheme using NFS to mount your
| |mailbox (now /var/spool/mail) is fully supported.
| 
| This is fine if you happen to be using Suns and running SunOS 4.0.  However,
| several other kinds of machines use NFS now and even some of us who use Suns
| have good reasons for not running SunOS 4.x.  
...
| 
| How does the mail software deal with *file* locking over NFS?

Before Sun OS 4.0, it doesn't.  The mailer utilities had to be rewritten
to use the network lock daemon.

-- 
Mike Clarkson					mike@ists.UUCP
Institute for Space and Terrestrial Science	mike@ists.yorku.ca
York University, North York, Ontario,		uunet!mnetor!yunexus!ists!mike
CANADA M3J 1P3					+1 (416) 736-5611