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Re: [Xen-users] easy high availability storage

To: Roland Frei <frei@xxxxxxxxxxxx>
Subject: Re: [Xen-users] easy high availability storage
From: "Fajar A. Nugraha" <fajar@xxxxxxxxx>
Date: Fri, 27 Nov 2009 18:12:46 +0700
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On Thu, Nov 26, 2009 at 10:45 PM, Roland Frei <frei@xxxxxxxxxxxx> wrote:
> i guess that it will be not very complicated to do all this stuff in the
> virtual disc driver of xen.
> basicly its just double all the read and write access to the disc image. and
> do the resync stuff there.

If double write is what you need, my first suggestion already does that:
- san exports its storage as iscsi
- server/PC imports iscsi share from both san
- setup raid1 on server using those two iscsi imports

no need to modify xen code as linux md can already do it.


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