Date: Fri, 01 Oct 2004 20:32:27 +0200 From: Remko Lodder <remko@elvandar.org> To: Matt Staroscik <matt@wrongcrowd.com> Cc: freebsd-questions@freebsd.org Subject: Re: How do you duplicate a drive? Message-ID: <415DA2BB.4010408@elvandar.org> In-Reply-To: <6.1.2.0.2.20041001102302.0cd64560@wrongcrowd.com> References: <20041001171949.885F316A4F3@hub.freebsd.org> <6.1.2.0.2.20041001102302.0cd64560@wrongcrowd.com>
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Matt Staroscik wrote: > > I have a RAID mirror (2x 160GB) which I would like to back up onto a > spare 160GB drive. > > I do not have a hot-swap caddy so I was planning on powering down the > system to get the backup drive in and out. > > But once I have the new blank drive in, what is the best way to > duplicate the RAID? Ideally I would like to create a disk that could > boot the system (and rebuild the RAID) in case disaster strikes. > > Can dd do this? > > I am new to Unix disk operations... Many thanks in advance for the help. > I think that dd if=/dev/<raiddisk> of=/dev/<newdisk> would work in duplicating the entire raid disk. I don't know if there are better ways, so if someone knows them, we would like to know ;) Cheers! -- Kind regards, Remko Lodder |remko@elvandar.org Reporter DSINet |remko@dsinet.org Projectleader Mostly-Harmless |remko@mostly-harmless.nl Founder Tienervaders |remko@tienervaders.org
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