Click on the calculator icon in the upper left-hand corner. A customer has 6 LUNs of 500 GiB each,
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6 LUNs of 250 GiB each, and 15 LUNs of 100 GiB each. All the drives presently in their VNX
system are SAS and NL-SAS. They wish to implement FAST Cache. Your data collection shows
the skew to be 94%. What is the minimum recommended size of FAST Cache for this
environment?
A.
400 GiB
B.
100 GiB
C.
200 GiB
D.
500 GiB
Is this as simple as calculating 6% of (6×500+6×250+15*100) ?
6*(3000+1500+1500)/100=360
First choice to allow for a minimum of 360 is 400 GiB
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