单选题Acustomer has requested an IBM System Storage DS8300 system for a new Exchange 2003 email solution to meet the following requirements： - 20% yearly growth - 25，000 mail boxes - approximately 50/50 mix of read/write operations The storage specialist has used Capacity Magic to calculate a base configuration of 46.7 TB raw capacity， 64 GB cache， and 24 ports for the DS8300. The storage specialist has been asked to model this configuration using the expected workload to verify that it is a viable solution. What is needed to start modeling（）A73GB 15k rpm drivesBthe amount of IOPS per mail boxCthe number of servers running ExchangeDthe Jetstress tool to emulate the Exchange environment
单选题
Acustomer has requested an IBM System Storage DS8300 system for a new Exchange 2003 email solution to meet the following requirements： - 20% yearly growth - 25，000 mail boxes - approximately 50/50 mix of read/write operations The storage specialist has used Capacity Magic to calculate a base configuration of 46.7 TB raw capacity， 64 GB cache， and 24 ports for the DS8300. The storage specialist has been asked to model this configuration using the expected workload to verify that it is a viable solution. What is needed to start modeling（）
A
73GB 15k rpm drives
B
the amount of IOPS per mail box
C
the number of servers running Exchange
D
the Jetstress tool to emulate the Exchange environment
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