Author: Alexey Ovchinnikov


OpenStack is designed to be a versatile and scalable solution for building clouds. On the face of it, this sounds like a good definition. Everybody knows that the main reason for building clouds is high scalability. But it's a generic description, and doesn't quantify that scalability. If you’re an OpenStack user, you might want to know how much you can scale …


It is a common desire to have some storage space associated with an instance running on cloud. It is also a common desire to have access to it be as fast as possible. One obvious way to achieve this is to place the instance on the same host to which the volume of interest physically belongs. What is not so …

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