Click on the calculator icon in the upper left-hand corner. Your customer wants to use a VNX
system at an unmanned DR site. The system will be used exclusively as a secondary
MirrorView/A system, and it is capable of performing 30,000 LUN IOPs in this role. The primary
system is also a VNX.
If the primary image workload consists of 4 KiB random IOs with a R/W ratio of 3:1, what is the
maximum bandwidth required for the link between the VNX systems?

A.
240 Mb/s
B.
360 Mb/s
C.
480 Mb/s
D.
600 Mb/s
30,000 IOPS x 4KiB x 1/4 = 30,000 KiB/s
30,000 KiB x 8 = 240,000 Kb/s
240,000 / 1000 = 240 Mb/s
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