Open Stack

Hi,

I'm using Eucalyptus in a private cloud, and I've found a missing 
feature. So I want to know whether it exists in OpenStack.

Sometimes, I want to make some persistent modifications to the
image, in the  hope that they will stay there after shutdown and 
cold start.

This requirment is missing in Eucalyptus and perhaps Amazon.
Does it exist in OpenStack, or does it exist in any other cloud
computing solution?

Thanks!
 				
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magazine.lihuiba
2011-08-16