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Re: [Linux-cluster] Cluster and LVG/LV



"Jeff Sturm" <jeff sturm eprize com> writes:

> 1) Run a single clustered volume group across all hosts, containing
> one or more PV's from your shared storage.
>  
> 3) Export storage for each host individually from your SAN,
> i.e. rely completely on your SAN for volume management.  With this
> you don't need LVM at all.
>  
> Our problem with 1) is snapshot support, and that we could not get
> pvmove to work acceptably well.  (We had to make the entire volume
> group inactive before pvmove would even run--I'm not sure if it is
> expected, or what we did wrong.)

It helps if you do LVM in your domU's, too.  Or only there, if you use 3).
-- 
Feri.


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