Re: How do you duplicate a drive?
knowtree_at_aloha.com
Date: 10/01/04
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To: Matt Staroscik <matt@wrongcrowd.com>, freebsd-questions@freebsd.org Date: Fri, 1 Oct 2004 09:29:48 HST
>
> 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?
As far as I know (never having done it myself) yes, byte for byte.
Before you do that I suggest you read up on vinum, the FreeBSD mirroring
service. There is man vinum, and a lot more in the on-line handbook, and
even more in Greg Lehey's The Complete FreeBSD. Greg wrote vinum, BTW.
(Greg, no charge for the plug.)
Gary Dunn
Honolulu
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- Previous message: Chris: "Re: I'm a 'tard - I don't know what a Subject line is (Was well, no subject)"
- Maybe in reply to: Matt Staroscik: "How do you duplicate a drive?"
- Next in thread: Remko Lodder: "Re: How do you duplicate a drive?"
- Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]
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