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How do we set aside 10% in each tier while configuring FAST VP. I believe this is a requirement for FAST VP to reallocate slices effectively. Read this in a FAST VP whitepaper "Ten percent space is maintained in each of the tiers to absorb new allocations that are defined as :Highest Availability Tier" between relocation cycles"

The previous storage admin at my office created a unassigned LUN, 10% of total storage pool space to achieve this. I don't think its a right way to do it, but as per him this was recommended by EMC level 3 support.

Any insight guys?



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