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From: Julien Cigar <jcigar@ulb.ac.be>
To: Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl>
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Date: Mon, 25 Aug 2008 17:50:41 +0200
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Cc: Ivan Voras <ivoras@freebsd.org>, freebsd-questions@freebsd.org
Subject: Re: Cloning a gmirrored hard drive
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Stupid question: can't you use growfs on the existing gmirror (after
replace /dev/oneofdisk, resync, replace /dev/otherdisk, resync) ?
Is it mandatory to create a *new* gmirror ?

Thanks

On Mon, 2008-08-25 at 14:37 +0200, Wojciech Puchar wrote:
> >> Hi!
> >>
> >> My situation: I have a server with FBSD 7 installed with two 40 GB disks
> >> in RAID 1 (gmirror) config.
> >> Now I have noticed the lack of space on the drive so I am thinking to
> >> change these disks for two 160 GB.
> >> What is the best way to clone the main hard disk in raid 1 config? Is
> 
> gmirror remove yourmirrorname /dev/oneofdisk
> 
> shutdown and replace this one with 160GB
> 
> boot single user
> 
> make gmirror with this new 160GB drive (only one drive now so not real 
> mirror)
> 
> newfs and copy all data make it bootable, shutdown, remove second 40GB 
> drive, add second 160GB drive, boot and then
> 
> gmirror insert yournewmirror seconddrive
> 
> that's all.
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-- 
Julien Cigar
Belgian Biodiversity Platform
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