Disk: Average Number of I/O Operations

This statistic shows the average number of disk I/O operations per second.

When to Check Average Number of I/O Operations

This statistic shows how busy the I/O subsystem is on Oracle ZFS Storage Appliance. High wait times could indicate that you need more disks or a different RAID profile.

Average Number of I/O Operations Breakdowns

Table 6-15 Breakdowns of Average Number of Disk Operations

Breakdown	Description
state of operation	Average number of I/O operations for active and waiting disks. Drill down on a selected state to examine further.
by disk	Average number of I/O operations for system and data disks. Drill down on a selected disk to examine further.
as a raw statistic	Average number of I/O operations as raw statistics.