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Check for blocks that could be reclaimed

Posted on 2014-11-25
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Last Modified: 2014-11-27
I know use can reclaim deleted blocks but can you check to see how many "deleted blocks" exist on a datastore?
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Question by:compdigit44
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by:Andrew Hancock (VMware vExpert / EE MVE)
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I believe thats' the function were are all waiting for.....

check to see how many deleted blocks, or what the space saving would be if we run the UNMAP command.

I've seen many scripts, which are run across datastores, relcaimining storage, but to date, I've not seen a script, which can display, how much would be reclaimed before the script (unmap) is executed.
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by:compdigit44
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Interesting...

I wonder what would happen if you have the unmap command using powershell with using "whatif"
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Andrew Hancock (VMware vExpert / EE MVE) earned 500 total points
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Did you read this Deep Dive on Reclaim and Unmap ?

http://www.boche.net/blog/index.php/2013/09/13/vsphere-5-5-unmap-deep-dive/
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by:compdigit44
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Interesting article... Maybe we will have to wait and see what surprise with exist in ESXi 6
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by:Andrew Hancock (VMware vExpert / EE MVE)
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Lots of work is being done in this area by Vendors, with VAAI plugins, and reclamation.
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