From owner-freebsd-questions Sat Dec 1 7:55: 8 2001 Delivered-To: freebsd-questions@freebsd.org Received: from fepZ.post.tele.dk (fepz.post.tele.dk [195.41.46.133]) by hub.freebsd.org (Postfix) with ESMTP id 1E93537B405 for ; Sat, 1 Dec 2001 07:55:05 -0800 (PST) Received: from arnold.neland.dk ([62.243.77.140]) by fepZ.post.tele.dk (InterMail vM.4.01.03.23 201-229-121-123-20010418) with ESMTP id <20011201155503.JHWF395.fepZ.post.tele.dk@arnold.neland.dk>; Sat, 1 Dec 2001 16:55:03 +0100 Received: from gina ([192.168.5.109]) by arnold.neland.dk (8.11.6/8.11.6) with SMTP id fB1FtKq32218; Sat, 1 Dec 2001 16:55:27 +0100 (CET) (envelope-from leifn@neland.dk) Message-ID: <00b701c17a7f$ca784740$6d05a8c0@neland.dk> From: "Leif Neland" To: "Patrick O'Reilly" , "Chris Fedde" Cc: References: Subject: Re: Load balancing stuff (mainly samba) Date: Sat, 1 Dec 2001 16:49:34 +0100 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2600.0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2600.0000 Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG ----- Original Message ----- From: "Patrick O'Reilly" To: "Chris Fedde" Cc: Sent: Friday, November 30, 2001 8:20 AM Subject: RE: Load balancing stuff (mainly samba) > > Take a look at coda. It uses a scheme of local cacheing and > > replication to present a common file hierarchy over a potentialy > > large number of servers. IIRC samba can share a coda filesystem. > > > > This looks interesting! > > I have been asked to set up a mail server with a hot backup which could > take over should the first server fail. Does anyone have any > "real-world" experience using coda for this type of problem? > > Does coda even fit this problem? It is described as a replicated > network file system. That tells me that data would be kept safe by > replication, but there may still be a single point of failure, namely > the mail server itself which is simply making use of the file system. > > Any comments? > If you use two machines, and having mailservers (smtp and pop3) on both, I think that would work. Either the same machine as hosting the coda, or use two others for that. You could write a script to change the ip of smtp and pop3 to point to the active server using ddns. Leif To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message