Re: [Xen-devel] poor I/O performance on domU

[Jan Kundrát <jan.kundrat@xxxxxx>]

Anthony Liguori wrote:
> Is /dev/hda what dom0 is mounted from?  If so, can you try the test
> again with a neutral partition (one that neither has mounted)?
yes, dom0 filesystems are on partitions located on hda.

I've tried exporting /dev/hda7 (not used neither mounted from dom0) as 
sdb7 and I can get about 12.3 MB/s. From dom0 I get about 14.8 MB/s.
Tested by `time dd if=/dev/{s|h}hda7 of=/dev/null bs=1M`, about 4.5GB of 
data.
-jkt

--
cd /local/pub && more beer > /dev/mouth



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