BE Port metrics

You can use the Unisphere Performance Management application to gather, view, and analyze performance data to troubleshoot and optimize the storage systems (arrays).

BE port metrics are supported only by storage systems (arrays) running HYPERMAX OS 5977 or PowerMaxOS 5978.

The following table lists all metrics that are available for backend ports.

Table 1. BE port metrics

Metric	Description
% Busy	The percent of time that the port is busy
Avg IO Size (KB)	The average I/O size - calculated value: (HA Kbytes transferred per sec/total I/Os per sec)
Host lOs/sec	The number of host operations performed each second by the port
Host MBs/sec	The size of the data transfer from the host in MBs per second
MBs Read/sec	The read throughput (MBs) of the port per second
MBs Written/sec	The write throughput (MBs) of the port per second
Reads/sec	The number of read operations performed by the port per second
Speed	Total port capacity NOTE: In the REST API, for backward compatibility reasons, this metric is named Max Speed Gb/sec.
Writes/sec	The number of write operations performed each second by the port