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Re: [Xen-users] How was CoW implemented on the Demo LiveCD (3.0) ??
| To: | Rickard Borgm?ster <doktorn@xxxxxx> |
|---|---|
| Subject: | Re: [Xen-users] How was CoW implemented on the Demo LiveCD (3.0) ?? |
| From: | Tim Deegan <Tim.Deegan@xxxxxxxxxxxx> |
| Date: | Tue, 24 Jan 2006 11:24:45 +0000 |
| Cc: | xen-users@xxxxxxxxxxxxxxxxxxx |
| Delivery-date: | Tue, 24 Jan 2006 11:33:28 +0000 |
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On Tue, Jan 24, 2006 at 11:33:43AM +0100, Rickard Borgm?ster wrote: > I need to know what's needed to implement cow filesystem for domU the > same way it was done on the LiveCD demo for xen 3.0. Our current project > it is replace UML with XEN on a bootable router simulation LiveCD. We > need to make each domU machine share the same rootfs.img. And I know it > is possible, as it was done on the demo LiveCD. But how? I think you'll need to copy over some of the scripts from the demo CD: /etc/xen/scripts/block-cow /usr/sbin/create_cow /usr/sbin/destroy_cow > disk = ['cow:/tmp/cdrom/rootfs.img 30,sda1,w'] > what does "30" mean here? A little bit hard to guess... 30 is the size of backing file to use, in this case 30MB. Tim -- Tim Deegan (My opinions, not the University's) Systems Research Group University of Cambridge Computer Laboratory _______________________________________________ Xen-users mailing list Xen-users@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-users |
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