Re: [Xen-users] sharing kernels

[list user <xktnniuymlla@xxxxxxxxxxxxxx>]

Jeff Utter wrote:
> Hey, I was just wondering if anyone on the list had any clever solutions 
> to the small problem I'm having.
> I'm running Xen on FC5, with a few FC5 DomU's.
>
> Basically i have to have kernel-xenU-version kernel-xen0-version both 
> installed in my domU (so the domU kernel image is present in my dom0 so 
> they can boot) as well as installing the kernel-xenU package on each of 
> my domU's so that the libraries are present.
> Would it be easy/possible/smart to setup a nfs share or something 
> similar of my dom0's /boot partition as well as /library/modules to 
> share to my domU's so that when i install a new kernel all i would need 
> to do is change the domU's config file?
> has anyone tried anything like that?
Hi Jeff,

I use a shared /usr partition between my dom0 and all the domU's.  You 
may be able to do something like that.
Create a logical volume to contain /lib/modules/2.6.xx-xen.  Export it 
in your domU definitions as one of the "disk = []" entries, read only,
then add a mount line in each of your domU's for it.  Guaranteed to be 
the same on each domU.
BTW, none of my domU's even has a /boot partition.


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