Re: [Xen-users] XEN+CLVM+GFS

[Reiner Dassing <dassing@xxxxxxxxxxxxxxxx>]

Hi,
let me add a remark:

> Hi,
>
>
> > You get consistent naming with CLVM.
>
> big overkill. other tools will give you consistent names w/o the cluster 
> overhead.
>
> > The benefit is that multiple hosts can write safely to the same filesystem.
>
> Which is not what you need for XEN, here you need multiple hosts accessing 
> the same disk space, not neccessarily in form of a filesystem. As long as 
> you can guarantuee from "above" (e.g. your XEN management software), that 
> each piece of data will be accessed only by one host at the same time, 
> then you don't need a cluster FS that enforces this for you.
I have found that it would be very valuable to be able to have access to 
the same
filesystem from several hosts at the same time: think of back/restore!

By having access to the filesystems from a xenU and from the backup software
then there is no need to install the backup client on each xenU;
it would be enough to have (read) access to all filesystems from the
backup host. It would save management work.



--
--
Mit freundlichen Gruessen / With best regards
   Reiner Dassing

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