Viewing the Overall Activity of a Subsystem

In order to visualize the activity of a subsystem, use the TransferByteRate parameter of the SEN_I345_SUBSYSTEM class. This parameter represents the overall traffic in megabytes per second for each monitored array, or more precisely, each IBM disk array that is exposed through the SMcli utility (see the Installation Guide for more information about the IBM System Storage DS Storage Manager and SMcli utility).

Verifying a subsystem activity

1.	In the console, double-click the TransferByteRate parameter of the array you are interested in. A graph is automatically displayed in the graph pane.

GRAPH_Subsystem_TransferByteRate

Graph – Transfer Byte Rate on a Subsystem

The overall activity can also be reported in GB per hour or per day (instead of MB/sec) so SAN administrators can visualize how much data has been written to or read off the disk array each hour of the day or each day of the week (see the Reporting the total traffic on an hourly or daily basis section for more information on this subject).