A customer is investigating replicating data between IBM Strowize V7000 for DR purposes and has made the following calculations to help determine the correct capacity for the intersite link.
Customer formula used
Amount of data written within 24 hours, multiplied by four (to allow for peaks and re-sync), translated into bit rate over the 24 hour period.
Customer calculations
? 2GB of data per day
? 2GB*4=8 GB of data
? 8GB*8 bits=64 GB/86400 seconds
? 68, 719, 476,736/86400= 795,364 bits/second bandwidth
The customer has advised that the period of change data is eight hours.
What is the status of the calculations?
A. It is correct.
B. It is undersized by a factor of 4.
C. It is undersized by a factor of 3.
D. It is undersized by a factor of 2.
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