From owner-freebsd-hackers@FreeBSD.ORG Thu Sep 29 17:19:01 2005 Return-Path: X-Original-To: freebsd-hackers@freebsd.org Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 0BA0916A41F for ; Thu, 29 Sep 2005 17:19:01 +0000 (GMT) (envelope-from stas@core.310.ru) Received: from core.310.ru (core.310.ru [83.97.105.75]) by mx1.FreeBSD.org (Postfix) with ESMTP id 50A6143D53 for ; Thu, 29 Sep 2005 17:18:59 +0000 (GMT) (envelope-from stas@core.310.ru) Received: from core.310.ru (localhost [127.0.0.1]) by core.310.ru (8.13.3/8.12.11) with ESMTP id j8THF0dx011684 for ; Thu, 29 Sep 2005 21:15:00 +0400 (MSD) (envelope-from stas@core.310.ru) Received: (from stas@localhost) by core.310.ru (8.13.3/8.12.11/Submit) id j8THF0Nq011683 for freebsd-hackers@freebsd.org; Thu, 29 Sep 2005 21:15:00 +0400 (MSD) (envelope-from stas) Date: Thu, 29 Sep 2005 21:14:59 +0400 From: Stanislav Sedov To: freebsd-hackers@freebsd.org Message-ID: <20050929171459.GA11654@core.310.ru> Mail-Followup-To: freebsd-hackers@freebsd.org References: <433B3F41.8060004@spintech.ro> Mime-Version: 1.0 Content-Type: text/plain; charset=koi8-r Content-Disposition: inline In-Reply-To: <433B3F41.8060004@spintech.ro> User-Agent: Mutt/1.4.2.1i X-Mailman-Approved-At: Fri, 30 Sep 2005 11:30:24 +0000 Subject: Re: journaling fs and large mailbox format X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 29 Sep 2005 17:19:01 -0000 On Thu, Sep 29, 2005 at 04:11:29AM +0300, Alin-Adrian Anton wrote: > Dear Hackers, > > First of all thank you for your time and attention. > > I am in the position to implement a large-scale mail server and I > will never go for anything else but FreeBSD (fixation?). > > It should be able to handle graceously 4000 e-mail accounts where a > minimum of 50 Mb/mailbox would be a requirement. In the begining, it is > desirable that users could use as much free space as available, so this > implies some gigabytes/mailbox. > > I don't know if the mbox format can handle this, and I know Maildir > cannot handle this on UFS2 standard install, no matter of soft-updates. > (because it exhaustes the free nodes) So I currently have no solution > for this stuff. > > I was wondering what is the status of Journaling File Systems on > FreeBSD? Any which is usable and mature, with write access? XFS would > fit amazingly well with Maildir, but.. I doubt it's anything else but > readonly. > > So any suggestion would really help a lot. Thank's in advance. > > > Yours Sincerely, > -- > Alin-Adrian Anton > GPG keyID 0x183087BA (B129 E8F4 7B34 15A9 0785 2F7C 5823 ABA0 1830 87BA) > gpg --keyserver pgp.mit.edu --recv-keys 0x183087BA > > "It is dangerous to be right when the government is wrong." - Voltaire > Consider to use DBMS storage as alternative. IMHO, this is more flexible solution, especially if you have a lot of disk space. Also you will be able to buil a mail cluster to scale your solution.