Re: [Xen-users] Re: DomU on LVM

[Wolfgang Rosenauer <wolfgang.rosenauer@xxxxxxxxxx>]

Ross S. W. Walker wrote:
> > > What would be the practical reason for that as opposed to
> > > allocating a bigger LV to contain all partitions?
> > For me the advantage would be that I'm able to resize the different 
> > partitions. If I use the LV as complete disk I only could extend the 
> > last partition in DomU.
> You can resize within the domU if you don't overallocate up front.
>
> Typically I will create a 16GB LV for a 8GB / and 2GB swap, or a
> 32GB LV for a 16GB / and 4GB swap and always leave around 30%
> available for future expansion or additional needs. But you
> could always bring in another LV to the domU and add it to the
> VG within the domU and resize from that.
That's true but in the end that needs LVM in Dom0 _and_ LVM in DomU. 
Somehow I think that gets complicated especially if the LVs of the guest 
should be accessible from Dom0.
Wolfgang


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