From owner-freebsd-questions@FreeBSD.ORG Wed May 7 04:18:11 2003 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 529E737B401 for ; Wed, 7 May 2003 04:18:11 -0700 (PDT) Received: from ns0.uk.circle.com (ns0.uk.circle.com [212.161.1.7]) by mx1.FreeBSD.org (Postfix) with ESMTP id 2C29243F3F for ; Wed, 7 May 2003 04:18:06 -0700 (PDT) (envelope-from Vince.Hoffman@uk.circle.com) Received: from mime-london.uk.circle.com (mime-london.uk.circle.com [10.20.0.101]) by ns0.uk.circle.com (8.12.8/8.9.3) with ESMTP id h47BMSp8020053 for ; Wed, 7 May 2003 12:22:28 +0100 (BST) (envelope-from Vince.Hoffman@uk.circle.com) Received: from ex-london.uk.circle.com (unverified) by mime-london.uk.circle.com for ; Wed, 7 May 2003 12:18:19 +0100 Received: by EX-LONDON with Internet Mail Service (5.5.2653.19) id ; Wed, 7 May 2003 12:18:07 +0100 Message-ID: <3500515B75D9D311948800508BA37955014BDACE@EX-LONDON> From: Vince Hoffman To: freebsd-questions@freebsd.org Date: Wed, 7 May 2003 12:18:07 +0100 MIME-Version: 1.0 X-Mailer: Internet Mail Service (5.5.2653.19) Content-Type: text/plain; charset="iso-8859-1" Subject: RE: Realtime Filesystem Replication X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 07 May 2003 11:18:11 -0000 > > > YOU wrote: > > > Thanks so far to the suggestions including rsync and unison. Both > > > appear to be triggered upon a command line or user typed > command. Is > > > someone using a system that tracks the mtimes for files > and updates > > > without prompt? > > > > Are you sure you really need _realtime_? That's a pretty > tall order, > > and I don't know of anything that can provide it. > > Purely out of curiousity, would it even be technically > possible? Would > kevents be the thing to handle something like this, or would > they be too > low-level? > > -Chris > Would having the data on an NFS share mounted by all machines in the cluster be too slow/not practical ? (one copy so no need to replicate.)