Date: Mon, 17 Sep 2001 21:50:46 -0700 From: "Ted Mittelstaedt" <tedm@toybox.placo.com> To: "dannyman" <dannyman@toldme.com> Cc: "Robert J. Collins" <rcollins@hwi.buffalo.edu>, "Brian Whalen" <bri@sonicboom.org>, <questions@FreeBSD.ORG> Subject: RE: redundant mail servers Message-ID: <004c01c13ffd$7b223640$1401a8c0@tedm.placo.com> In-Reply-To: <20010917161215.U11099@toldme.com>
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>-----Original Message----- >From: owner-freebsd-questions@FreeBSD.ORG >[mailto:owner-freebsd-questions@FreeBSD.ORG]On Behalf Of dannyman >Sent: Monday, September 17, 2001 4:12 PM >To: Ted Mittelstaedt >Cc: Robert J. Collins; Brian Whalen; questions@FreeBSD.ORG >Subject: Re: redundant mail servers > > >On Mon, Sep 17, 2001 at 09:56:09AM -0700, Ted Mittelstaedt wrote: > >> >NFS seems natural, but my "supervisor" is bent on using sendmail. From >> >what I've heard sendmail and NFS just don't mix well. >> > >> >> This stems from the reason that the FreeBSD 4.X NFS don't support locking. >> >> There's an experimental lockd at >> >> http://www.cs.rpi.edu/~crossd/FreeBSD/lockd-0.2a.tar.gz >> >> just run make under 4.X >> >> locking is in FreeBSD 5.0, both server and client. > >If you use Maildir, you dont have to lock. Serve mail via Courier. > Could be. >If you really want reliable mbox file locking on x86 hardware, you might >want to try Solaris x86. > There's already mbox file locking in FreeBSD you don't need to go to Solaris for that. The issue is that there is not file locking in NFS under FreeBSD 4.X series. And if Solaris is your idea of reliable mbox locking I'd hate to see what you consider unreliable! We use Solaris ourselves and while it's locking is adequate, I've had a few weird deadly embrace situations happen with it. And that's WITHOUT using Network Flaying System! Ted Mittelstaedt tedm@toybox.placo.com Author of: The FreeBSD Corporate Networker's Guide Book website: http://www.freebsd-corp-net-guide.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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