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

To: <xen-users@xxxxxxxxxxxxxxxxxxx>
Subject: Re: [Xen-users] increase size for dom guest using lvm online
From: "Bart Van Kerckhove" <bart@xxxxxxxx>
Date: Sun, 16 Aug 2009 13:27:23 +0200
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Just for the sake of it: ext3 has supported online expansion for some time now.

-Bart
----- Original Message ----- From: "Simon Hobson" <linux@xxxxxxxxxxxxxxxx>
To: "Aclhk Aclhk" <aclhkaclhk@xxxxxxxxx>; <xen-users@xxxxxxxxxxxxxxxxxxx>
Sent: Sunday, August 16, 2009 1:23 PM
Subject: Re: [Xen-users] increase size for dom guest using lvm online


Aclhk Aclhk wrote:
could we increase the size for dom guest online without rebooting or unmounting?

I don't believe so. At the moment, I believe the size passed to the guest is fixed at creating time, so if you enlarge the volume, the guest won't get to know about it until it is shut down and re-created. It may be possible to detatch a volume and re-attach it with xm but I've never done that.

In any case, at least with ext3, you need the filesystem unmounted in order to resize it.

--
Simon Hobson

Visit http://www.magpiesnestpublishing.co.uk/ for books by acclaimed
author Gladys Hobson. Novels - poetry - short stories - ideal as
Christmas stocking fillers. Some available as e-books.

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