Click the Exhibit button. You are receiving reports of high storage latency from the database administrators. The NetApp storage system is connected to the network using 10 Gb. You run the sysstat…

While insufficient cache can contribute to latency by increasing disk I/O, a 'disk bottleneck' specifically identifies the disks themselves as the ultimate constraint, which is a more direct cause if `sysstat` shows high disk busy rates.

A disk bottleneck occurs when the physical disks cannot keep up with the I/O requests, leading to increased response times and high latency. The `sysstat` command often displays disk utilization percentages (e.g., '%busy'), and if these values are consistently high, it points directly to the disks as the source of the latency, indicating they are operating at or near their maximum capacity.

High CPU usage can impact performance, but `sysstat` output would show high CPU utilization percentages; if disk utilization is the primary issue, then the CPU is not the bottleneck in this specific scenario.

The problem states a 10 Gb network, which is generally high bandwidth, and `sysstat` would show network interface saturation (e.g., high utilization on network ports) if this were the issue, but the question points to storage latency, not network congestion.