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Looking at WLA/SPA/Unisphere, etc does anybody what the range depth is for the each of the buckets?    When you look at the help guide it says that "bucket #2" means a depth of 5-9 (for open systems), since the queue depth buckets go from 0-9 what are the ranges for the other ones.  I've not been able to find it documented anywhere, all I can say is more I/O's falling into the larger bucket numbers is bad but I'd like to know "how" bad it is as I have no real sense of scale between the different ranges.
Symmetrix FA queue depth buckets