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August 13, 2010


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Richard Siemers

I love the idea of the operating system talking to the storage to unallocate unused chunklets automatically. I don't like the idea of being locked into Symantec software because their product/pricing/maintenance model is confusing and cumbersome. Storage Foundations is quite an oversized hammer to use if all you want to do is drive a "thin reclamation" nail.

I hope as thin provisioning becomes more main stream, the host-to-storagae communication API will become a standard, and this premium functionality will become built in to windows, linux and aix operating systems.

marc farley

Hi Richard, there is standards work underway in the ANSI T10 committee for two programmatic interfaces - WRITE SAME and UNMAP. Different file systems, databases, etc will likely implement these at some point, but it makes sense that Symantec, as a storage focused company, would do this first.

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