We are in the middle of a content migration of 70 websites to Drupal per this page. We have been using the Rackspace Cloud's Cloud Sites hosting environment as opposed to procuring our own server. At first, we thought this couldn't be done. Then, after some testing and back-and-forth with Rackspace and some research, we discovered it could be done via aliasing in Cloud Sites. See my post here.

However, in the last few months, we've been plagued by intermittent "No suitable nodes are aviable to serve your request" messages on our sites in our multi-site Drupal install in Cloud sites. The Rackspace folks' "fanatical tech support" has been helpful, but, honestly, we have considered leaving a few times. What's kept us there is the tech support and the quality of the service - when it works!

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