Date: Thu, 29 Dec 2005 09:14:21 +0000 From: Robert Slade <bsd@bathnetworks.com> To: Joe Auty <joe@netmusician.org> Cc: "freebsd-questions@freebsd.org" <freebsd-questions@freebsd.org> Subject: Re: your advice on vinum, RAIDs Message-ID: <1135847660.2006.14.camel@lmail.bathnetworks.co.uk> In-Reply-To: <B302EFD3-19ED-43B5-B4AD-07BDCF9273A9@netmusician.org> References: <B302EFD3-19ED-43B5-B4AD-07BDCF9273A9@netmusician.org>
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On Thu, 2005-12-29 at 06:09, Joe Auty wrote: > Hello, > > I've been considering buying another hard drive for my FreeBSD > machine, and building a RAID with my current hard drive so that both > drives are treated as one. > > Do any of you have experience in this area? Is this advisable? I'm > assuming I'd be looking at creating a RAID-5? Can this be done > without reformatting my current drive? Does this setup work well? Do > you have any general advice for me? I need to know if there is risk > involved here. > > > > Thanks in advance! Joe, It depends on what you need to do. If you just want data integrity then you need raid 1 - mirroring and GEOM is your friend. There is a good section in the Handbook on setting a GEOM raid 1 without formatting the original drive. If you are also looking for more drive space, then raid 5 gives a measure of both. In both cases, the warning of backing up the system first applies. Rob
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