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List:       evms-devel
Subject:    Re: [Evms-devel] Mirroring
From:       Kevin Corry <kevcorry () us ! ibm ! com>
Date:       2005-02-10 19:24:28
Message-ID: 200502101324.28467.kevcorry () us ! ibm ! com
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On Thursday 10 February 2005 11:30 am, Wakko Warner wrote:
> Kevin Corry wrote:
> > EVMS doesn't have the ability to add raid1 to an existing volume.
> > However, it might be possible with some manual intervention. You would
> > have to shrink the filesystem on lvm2 region by at least 128k. Then using
> > mdadm, you can create a one-way mirror using that lvm2 region
> > (using /dev/evms/.nodes/lvm2/vg_name/lv_name). Then you can run EVMS
> > again, and it should see the raid1. Then you could add one of your
> > stand-alone disks as a new active object for the raid1 region.
>
> So, evms will find a raid object that was created ontop of an lvm2 lv?

Sure. That's always been the case. It's just that it usually makes more sense 
to do lvm on top of raid.

-- 
Kevin Corry
kevcorry@us.ibm.com
http://evms.sourceforge.net/


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