A company has a Dell EMC Isilon Gen 5 cluster with SSDs in each node. The administrator notices that L3 Cache is enabled

[answerhappygod]

A company has a Dell EMC Isilon Gen 5 cluster with SSDs in each node. The administrator notices that L3 Cache is enabled on the cluster. However, the administrator does not notice any performance increase for the read I/Os. After further investigations, the administrator discovers that all read I/Os are more than 128K chunks.
Which recommendation should be provided to improve the read performance?

A. Change the SSD strategy to “data on SSD’
B. Disable L3 Cache and change the SSD strategy to “metadata-read acceleration”
C. Enable Global Name Space acceleration in addition to L3 Cache.
D. Add one more SSD of equal capacity to each node.