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Stephen Foskett, Pack Rat

Understanding the accumulation of data

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SDelete

Zero Page Reclaim: Savior of Thin Provisioning?

January 4, 2011 By Stephen 4 Comments

In the previous post, I talked about how the Drobo uses metadata monitoring to solve the telephone game and make de-allocation possible. But that approach is challenging in complex enterprise environments. Instead, most enterprise arrays use a complex chain of semaphores to interpret signals from the connected hosts about the capacity that can be un-provisioned. On the … [Read more...] about Zero Page Reclaim: Savior of Thin Provisioning?

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