Re: [Xen-users] Shared SAN disk LUN between 2 servers and migrat

To:	Pekka.Panula@xxxxxxxx
Subject:	Re: [Xen-users] Shared SAN disk LUN between 2 servers and migration problem
From:	Ferenc Wagner <wferi@xxxxxxx>
Date:	Thu, 16 Oct 2008 11:24:03 +0200
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In-reply-to:	<OF31C40FAE.D7C8EE82-ONC22574E4.002B028F-C22574E4.002C639F@xxxxxxxx> (Pekka Panula's message of "Thu, 16 Oct 2008 11:04:50 +0300")
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Pekka.Panula@xxxxxxxx writes:

> I got Fiber SAN disk system and 2 servers and i am making shared LUN 
> available to both servers. Then i got multipath layer running on both 
> Dom0s and so Xen is seeing device-mapper file, instead of two /dev/sdX 
> devices, then i have setup Xen domU (HVM Windows 2003) using 
> /dev/mapper/sharedLUN as physical storage to my windows server. 
>
> Do i need one more layer to setup migration working? It seems now that if 
> i migrate between servers i get filesystem corruptions.

I run a similar setup but for PV linux guests.  (Live) migration works.
I've never tried it with HVM, but can't see any obvious obstacle.
-- 
Feri.

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Re: [Xen-users] Shared SAN disk LUN between 2 servers and migration prob