A potential customer is considering replacing a four year old, Linux-based NFS server with 40TB
of usable capacity. The existing system supports home directories, an internal website, and a
content repository for the customer’s content management system. The customer is concerned
about performance of any new solution because they expect to double workload in the content
management system.
What tools can be used to collect performance data needed to size the new solution?

A.
Iostat and nfsstat

B.
Perfmon and sysstat

C.
Isi statistics and Wireshark

D.
Syslog and vmstat

Explanation:
http://agiletesting.blogspot.com/2009/11/nfs-troubleshooting-with-iostat-and.html