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Figure 17 The Monitoring Options Window of Performance Monitor

The Monitoring Switch area in the Monitoring Options window contains the following items:

• Current S

tatus

To start obtaining statistics of the storage system (that is, monitoring), select Enable.To stop

monitoring, select Disable. The default setting is Disable.

• Gathering Interval

Specify the interval to obtain usage statistics about the storage system for short range monitoring.

This option is activated when you specify Enable for Current Status. If CUs to be monitored are 64

or less,

you can specify the value between 1 and 15 minutes by minutes, and the default setting is

1minut

e. For example, if you specify 1 minute for the gathering interval, Performance Monitor

collec

t statistics (such as I/O rates and transfer rates) every one minute.

If CUsto bemonitored are65ormore, thegathering interval canbespeciﬁed to the value 5, 10

or 15 minutes (in the 5-minute interval), and default is 5 minutes. For example, if you specify

the gathering interval to 5 minutes, Performance Monitor gathers statistics (such as I/O rate

and transfer rate) every 5 minutes.

This o

ption is effective only for:

• Statistics displayed in the LDEV, Port-LUN,and WWN tabs

• Statistics displayed in the Physical tab with selecting shortrange for the storing period

When viewing the Physical tab with longrange selected for the storing period, the statistics

collected every 15 minutes are displayed regardless of the value of the Gathering Interval.

The Monitoring Target area in the Monitoring Options window contains the following items:

• PG Se

lection Support

If you click this button, all parity groups are listed in the PG list.

Note

: If you click this button when a large-sized conﬁguration is being used, it may take long

time to gather the PG list.

• PG li

st:

indicates the list of IDs of the parity groups that can be monitored. Each cell displayed in the

list

is accompanied by an icon

.Click PG on the header to sort the parity groups by ID. If

you

click the cell for an individual parity group, the CUs that belong to that parity group are

displayed in the CU table on the right.

XP24000 Performance Monitor User's Guide

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Hp XP Array Manager Software Manual do Utilizador Página 43