This is an archive version of the document. To get the most up-to-date information, see the current version.

Storage Path Performance Chart

The Storage Path chart displays historical statistics for paths used by the storage adapter on the selected host.

Storage Path Performance Chart

You can switch between adapters using the Adapter list below the performance chart.

The name of each storage device connected to the storage adapter via the selected path is specified after the host address (separated by a forward slash). It has the following format: <HBA>:<SCSI target>:<SCSI LUN>:<disk partition>

The following table provides information on predefined views and counters.

Chart View

Measurement Unit

Description

Path I/O

Number

Average number of commands issued per second via the path.

Path Read I/O

Number

Average number of read commands issued per second via the path.

Path Write I/O

Number

Average number of write commands issued per second via the path.

Path Read Rate

B/s

Rate at which data is read via the path.

Path Write Rate

B/s

Rate at which data is written via the path.

Path Read Latency

Millisecond

Average amount of time taken for a read operation via the path.

Path Write Latency

Millisecond

Average amount of time taken for a write operation via the path.