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Re: [Xen-devel] Xen 3.0.3 disk i/o


Am Montag, 9. Oktober 2006 20:47 schrieb Ian Pratt:
> > ...dom0 shows "noop anticipatory deadline [cfq]"
> That means you're using cfq in dom0, which is what you want. Now you can
> use 'ionice' to control scheduling from different domU block devices.
> It doesn't matter what you use in domU, noop is fine.

i think any other than noop is a waste of time in a domU because the block 
device inside domU is "virtual" and io scheduling is only advantageous with 
real block devices with a high seek time like hard disks.



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