Date: Tue, 23 Oct 2007 17:24:37 -0400 From: Gary Palmer <gpalmer@freebsd.org> To: Freddie Cash <fjwcash+freebsd@gmail.com> Cc: freebsd-isp@freebsd.org Subject: Re: Backups Hardwares for FreeBSD Message-ID: <20071023212437.GA3356@in-addr.com> In-Reply-To: <200710231338.21368.fjwcash%2Bfreebsd@gmail.com> References: <471E2290.9040704@nlink.com.br> <200710231338.21368.fjwcash%2Bfreebsd@gmail.com>
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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
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