[CentOS] Really bad KVM disk performance

Bob Puff writes:

> /dev/hda:
> 

It should be /dev/vda.. it means you're not taking advantage of KVM's 
paravirtualisation capabilities. That probably explains the crappy 
performance. Run your disk and network with virtio and it should be much 
faster.

In terms of management tools, check 
http://www.linux-kvm.org/page/Management_Tools

hth

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Nux!
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