BE Port metrics

Each storage system director board contains back-end ports.

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 back-end 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