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Which factors must you consider when designing an EMC ControlCenter infrastructure?

You are designing an EMC ControlCenter solution for a new customer to reduce the overall storage and management costs. The customer would like management and reporting on a variety of hosts and storage systems. All managed objects are located in one data center.
Which factors must you consider when designing an EMC ControlCenter infrastructure?

Which license is needed on the MDS directors?

A customer has a SAN fabric consisting of several MDS9509s for host to disk array connectivity.
They have purchased a Fibre Channel tape library and want to implement LANfree backups. You have proposed making a tape VSAN on the existing MDS infrastructure and have recommended that they use QoS so that tape I/O does not use ISL bandwidth at the expense of disk I/O.
Which license is needed on the MDS directors?

How do you respond to the request?

A prospective customer has presented you with multiple applications. All applications have high write activity levels and unpredictable growth patterns. The applications are currently hosted on directattached storage in a RAID 1 configuration. They are concerned with making too many changes at one time in their environment.
The prospect has asked you to justify your recommendation of RAID 1/0 on the CLARiiON configuration you are proposing. How do you respond to the request?