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xen-users
Re: [Xen-users] Xen 2.0 and LVM
Daniel Paquet wrote:
> If you wonder so much about the performance of the lvm then you can
> simply use "real" disk partitions.
I prefer not to, I need LVM for fs-snapshots, etc. This is not exactly
the kind of reply that would help me, anyway ;-)
I'm basically looking for some background information about the data
path between the disk (HW) and domU with LVM in dom0.
* Has the dom0 memory size effect on the performance (e.g.some caching)?
I.e. can I keep it as small as 64MB just for the basic functions of dom0
or should I increase it?
* What if I use real partitions - do the data go straight from domU to
the disk or will they traverse dom0 as well?
* And last question (the most promissing one) - can I tell xen (2.0.6)
to let domU see the _whole_ disks (e.g. hdb, hdc) and let domU handle
LVM itself?
Thanks!
Michal Ludvig
--
* Personal homepage: http://www.logix.cz/michal
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