From owner-freebsd-isp Wed Apr 7 9:46: 2 1999 Delivered-To: freebsd-isp@freebsd.org Received: from kerouac.deepwell.com (deepwell.com [209.63.174.12]) by hub.freebsd.org (Postfix) with SMTP id 1FDE3157F0 for ; Wed, 7 Apr 1999 09:45:59 -0700 (PDT) (envelope-from freebsd@deepwell.com) Received: (qmail 7724 invoked from network); 7 Apr 1999 17:19:08 -0000 Received: from attybb.bleier.com (HELO terry) (209.63.175.10) by deepwell.com with SMTP; 7 Apr 1999 17:19:08 -0000 Message-Id: <4.1.19990408094217.012328a0@mail1.dcomm.net> X-Sender: freebsd@mail.deepwell.com X-Mailer: QUALCOMM Windows Eudora Pro Version 4.1 Date: Thu, 08 Apr 1999 09:42:30 -0700 To: freebsd-isp@freebsd.org From: Deepwell Internet Subject: Re: Cluster service in FreeBSD Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Sender: owner-freebsd-isp@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org I'd like to look into striping and mirroring under FreeBSD 3.1. If any of you have any recommendations I'd love to hear them. At 08:40 AM 4/7/99 -0600, you wrote: >For load balancing, you can take a look at: >http://www.stanford.edu/~riepel/lbnamed/ > >I have built several firewalls with FreeBSD and planning for failure is >more an issue of planning for hardware failure, as these machines just >do not crash. I do set up mirroring with ccd (details on what I learned >about ccd are at http://www.i-pi.com/~ingham/ccd.html) to deal with the >possibility of a disk failure. I have heard that there is a new >mirroring facility in 3.x, but my firewall machines are all running >2.2.x. > >The biggest problem I have had is on a mail server with procmail as a >local delivery agent. Procmail wants to have the whole message in memory >at once, and people at one of my sites have no concept of file size or >transmission time (over 56KB lines), so emailing 50MB documents is a >somewhat common event. With a 16MB P120, swap space is a requirement. >I added an old 400MB disk as swap space and solved the problem. > >Kenneth > > >To Unsubscribe: send mail to majordomo@FreeBSD.org >with "unsubscribe freebsd-security" in the body of the message To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-isp" in the body of the message