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RE: [Xen-users] increase size for dom guest using lvm online

To: "Aclhk Aclhk" <aclhkaclhk@xxxxxxxxx>, <xen-users@xxxxxxxxxxxxxxxxxxx>
Subject: RE: [Xen-users] increase size for dom guest using lvm online
From: "James Harper" <james.harper@xxxxxxxxxxxxxxxx>
Date: Sun, 16 Aug 2009 21:25:36 +1000
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Thread-index: AcoeYdMaJu6WfxxqTjWpdrmY/hejBAAAkPvg
Thread-topic: [Xen-users] increase size for dom guest using lvm online
> 
> could we increase the size for dom guest online without rebooting or
> unmounting?
> 
> pls kindly advise any methods.
> 

For a PV DomU (or a HVM DomU using PV drivers), there is no mechanism
for the backend (Dom0) to notify the frontend (DomU) of a change in
device size. I suspect that HVM DomU's have the same problems.

So no, it cannot be done without rebooting.

James


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