A customer has a mission-critical application with redundant fabrics. The customer plans to replace older EMC Symmetrix 8830 systems with an IBM System Storage DS8700 and an IBM SAN Volume Controller （SVC）. 
Which statement best describes the way to minimize the impact of data migration on the production environment（）

单项选择题mainframe customer would like to receive a proposal for a mainframe storage system with 120 TB raw capacity. The  mainframe server load is not too high， and they need hard disk drives with the lowest possible power consumption to keep operating costs low. The customer will not increase the capacity of their mainframe applications in the future but rather invest later into their System p servers.  Which of the following solutions best meets these requirements at the lowest cost（）

A.offer a DS8700 system with 600 GB FC drives
B.offer a DS8800 system with standard cabling and 600 GB SAS drives
C.offer a DS8800 system with business class cabling and 600 GB SAS drives
D.offer a DS8800 system with SATA drives

单项选择题A bank has requested proposals for a storage solution to upgrade their disaster recovery processes for their IBM System z， UNIX， and Microsoft Windows environment. The solution must simulate a multi-site environment and provide the customer the ability to evaluate Metro Mirror， Global Mirror， Global Mirror for z OS， and FlashCopy. 120 TB physical capacity is required per site. Only Fibre Channel drives can be used.  Which solution best meets the specified requirements（）

A.two DS8700 systems with two-way processor cards and 600 GB FC drives
B.two DS8700 systems with four-way processor cards and LPAR
C.two DS8700 systems with two-way processor cards and two frames per system
D.two DS8700 systems with four-way processor cards and two frames per system

单项选择题A customer has an IBM System Storage DS8700 and wants to reach the highest possible throughput in the back-end for a storage-pool-striped volume out of an extent pool with 8 ranks.  Over how many device adapter pairs should a technical specialist spread the workload（）

A.2
B.4
C.6
D.8

单项选择题A customer has requested an IBM System Storage DS8700 solution to meet the following requirements： - 20% yearly growth - 29，000 IOPS  - approximately 50 50 mix of read write operations - small （4 KB） data transfers  The storage specialist has created a Disk Magic model in which each port is capable of approximately 2，900 to 3，100 IOPS.  What is the minimum number of ports that should be configured on the DS8700 to handle the projected workload for the first year（）

A.8
B.10
C.12
D.16

单项选择题The storage specialist sized a DS8800 proposal with eight host adapters in the four-port version. 240 drives of the 146GB-15k rpm type will be installed. The proposal needs to meet a very competitive price. The customer will have only minor capacity growth in the future.  Which of the following solutions best meets these requirements（）

A.offer a DS8800 one-frame system in four-way processor version and standard cabling
B.offer a DS8800 one-frame system in two-way processor version and business class cabling
C.offer a DS8800 one-frame system in two-way processor version and standard cabling
D.offer a DS8800 one-frame system in four-way processor version and business class cabling