Re: [Xen-users] Re: Physical disks + Software Raid + lvm in domU

["Alessandro R." <lord2y@xxxxxxxxx>]

2008/3/1, Martin Leben <ml060223@xxxxxxxx>:

> Alessandro R. wrote:
>  > 2008/3/1, Nico Kadel-Garcia <nkadel@xxxxxxxxx>:
>  >
>  >> OK. There is just no reason to do RAID in a Xen virtualized environment
>  >>  unless you're testing out a driver. Let the Dom0 do all that work,
>  >>  because it's already managing the disk IO anyway. LVM to merge together
>  >>  different partitions or disks, and exporting an LVM partition for the
>  >>  DomU should and does work just fine.
>  >
>  > If you don't use RAID 1 on your disk how will you protect  your data
>  > against disk failure?
>
>
> The somewhat obscured point of the message was: Don't do RAID in domU. Do it 
> in
>  dom0 instead.

I have nerver used RAID conf  in  dumU, but I have experienced the
domU crash under heavy I/O workload.




-- 
Alessandro R.

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