单选题A customer using an IBM System Storage DS8300 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 c
题目
单选题
A customer using an IBM System Storage DS8300 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 DS8300 system
B
looking at the number of I/O managed by the DS8300 system
C
reading the performance reports via TotalStorage Productivity Center for Disk