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[Xen-users] vm using san fabric failover

from [John Little]

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Subject:	[Xen-users] vm using san fabric failover
From:	John Little <jslittl@xxxxxxxxxxxxx>
Date:	Tue, 05 Sep 2006 11:00:44 -0400
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Hi all,

We have an EMC san cx600 connected to Dom0 through a fabric of two
McData switches.  I have a DomU setup using the san space with LVM and
Multipath per SuSE manual.  The OS is SLES 10 with the stock install of
Xen.  The version of Xen is Xen version 3.0.2_09749-0.7 (abuild@xxxxxxx)
(gcc version 4.1.0 (SUSE Linux)) Thu Jul 20 04:32:25 UTC 2006
 Latest ChangeSet: 09749.

I am wondering if one of the switches fails if it is possible for the vm
to keep running in read/write mode.  Whenever I test this the file
system goes into readonly mode on the DomU.

Maybe this isn't possible-I don't know but I thought it was worth a
shot.  Does anyone have any experience or insights into this?

Best regards,
John Little
Hendricks Regional Health


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