单项选择题
A customer using an IBM System Storage DS8700 is facing performance problems. After the analysis by the technical specialist， the diagnosis indicates that the cache hits may be improved by a cache upgrade.
How can the system be monitored in order to check the benefits of the cache upgrade（）
A.using the "vmstat" command on the AIX servers connected via SAN to the DS8700 system
B.look at the IOPS using the DS8700
C.reading the performance reports via Tivoli Storage Productivity Center for Disk
D.generating reports using theTotalStorage Expert
相关考题
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单项选择题
WhatisreasonthecustomershouldinstallIBMDS8000VirtualPrivateNetwork（VPN）technologyfortheCallHomefunction（）
A.to avoid using a more expensive dial-up modem
B.to load new licensed internal code
C.to achieve more efficient and faster problem resolution
D.to enable capacity on demand -
单项选择题
A customer has an IBM System Storage Enterprise Storage Server and several EMC CX3 systems installed in a data center， attached to IBM System p servers. As a step toward data consolidation， they intend to put all data on a new DS8700. What would be the most important data migration factors to consider（）
A.sector size and the amount of production data
B.existing RAID levels and the disk drive speed
C.sector size and existing RAID levels
D.amount of production data and the disk drive speed -
单项选择题
A customer has 6.5 TB with 146 GB 15k disk drives on an IBM System Storage DS8700. They want to add 15 TB using 300 GB 15k disk drives. The customer is concerned about performance and wants to know if the DS8700 has the performance capability. What is the appropriate way to model the performance（）
A.Disk Magic
B.Capacity Magic
C.test the workload at an IBM Benchmark Center
D.test the solution with IBM Storage Performance Center
