From owner-freebsd-isp@FreeBSD.ORG Tue Oct 23 21:26:31 2007 Return-Path: Delivered-To: freebsd-isp@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id E06C016A47B for ; Tue, 23 Oct 2007 21:26:31 +0000 (UTC) (envelope-from gpalmer@freebsd.org) Received: from noop.in-addr.com (unknown [IPv6:2001:5c0:8fff:fffe::214d]) by mx1.freebsd.org (Postfix) with ESMTP id BD7BA13C4A7 for ; Tue, 23 Oct 2007 21:26:31 +0000 (UTC) (envelope-from gpalmer@freebsd.org) Received: from gjp by noop.in-addr.com with local (Exim 4.54 (FreeBSD)) id 1IkREr-000HGI-Op; Tue, 23 Oct 2007 17:24:37 -0400 Date: Tue, 23 Oct 2007 17:24:37 -0400 From: Gary Palmer To: Freddie Cash Message-ID: <20071023212437.GA3356@in-addr.com> References: <471E2290.9040704@nlink.com.br> <200710231338.21368.fjwcash+freebsd@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200710231338.21368.fjwcash+freebsd@gmail.com> Cc: freebsd-isp@freebsd.org Subject: Re: Backups Hardwares for FreeBSD X-BeenThere: freebsd-isp@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Internet Services Providers List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 23 Oct 2007 21:26:32 -0000 On Tue, Oct 23, 2007 at 01:38:21PM -0700, Freddie Cash wrote: > On October 23, 2007 09:34 am Paulo Fragoso wrote: > > We have a FreeBSD mail server with 1TB RAID 6 using Areca ARC-1220 > > controler, all works fine. > > > > Today our backups are made on DDS-4 tapes, they are very slow and too > > small, this is our problem. What is a good (modern) alternative to > > DDS-4 working on FreeBSD? > > For our multi-TB systems, we do disk-based backups using dar ... to > another multi-TB system. :) > > We use a custom shell script to handle creating full and incremental > backups and to rotate through multiple directories to keep a couple > backups around. All via gigabit ethernet and NFS. And once a week we > copy a full backup offsite via SSH tunnels to another multi-TB system via > a gigabit fibre link. > > We're using RAID5 with hot-spares on 3Ware 9550SX controllers. Hi, Any issues withe RAID5 sets on the 3Ware controllers? I've heard bad things about RAID5 on older 3Ware controllers when a disk fails. Just wondering if the situation is improved. Thanks, Gary