Hp XP Array Manager Software Manuale Utente Scaricare il pdf (Pagina 40)

• The Real Time option lets you view statistics in real-time mode, where statistics are updated at

a gathering interval you specify between 1 and 15 minutes.

When you select the Real Time option, use the drop-down list to select the number of recent

collections of statistics which should be displayed in the graph. You can select the number of

times from 5 or 90. This setting determines the range of recent statistics to be displayed in the

graph. For example, suppose the gathering interval is 1 minute. In this case, if you select 90

from the drop-down list, the graph displays statistics obtained in the last 90 minutes (multiplying 1

minute by 90 times).

• In the Monitoring Data area, the drop-down list on the upper right of the list speciﬁes thetypeof

statistics to be displayed in the window. To view I/O rates, select IOPS (I/Os per second) from the

drop-down list. To view transfer rates, select MB/s (megabytes per second) from the drop-down list.

• Thetreecontainsthe Subsystem folder. Below the Subsystem folder are ports (such as and ):

This icon indicates the attribute of the stored port is Target,or Initiator/External.

This port icon indicates either of the following:

• A Fibre Channel port in Standard mode. LUN security is applied to this port.

If theportnameisfollowedbyits ﬁbre address, the port is a Fibre Channel port. For example,

CL1-A(EF) indicates that the CL1-A port is a Fibre Channel port.

Note:

For detailed information about LUN security, see HP StorageWorks XP24000 LUN

Manager User’s Guide.

This port

icon indicates either of the following:

• AFibre Ch

annel port in Standard mode. LUN security is not applied to this port.

A Fibre Channel port in High Speed mode. LUN security is applied to this port.

A Fibre Channel port in High Speed mode. LUN security is not applied to this port.

A Fibre Channel port in Initiator/External MIX mode. LUN security is not applied to this port.

A Fibre Channel port in Initiator/External MIX mode. LUN security is applied to this port

When you double-click a port, the host groups ( ) that correspond to that port are displayed. The

host group ID appears on the left of the colon (:). The host group name appears on the right of the

colon. For details on host groups, see HP StorageWorks XP24000 LUN Manager User’s Guide.

When you double-click a host group, an item named LUN (

)appears. When you select LUN,

the list on the right lists LU paths. For details on LU paths, see HP StorageWorks XP24000 LUN

Manager User’s Guide.

• The list displays statistics (that is, I/O rates, transfer rates, or average response time). For details

on the list contents, see “Monitoring Ports” on page 66 and “Monitoring LU Paths” on page 70.

• The Draw button displays a line graph that illustrates changes in the I/O rate or the transfer rate.

The graph can display up to eight lines simultaneously.

• The line graph illustrates changes in the I/O rate or the transfer rate. The vertical axis indicates

the I/O rate or the transfer rate. The horizontal axis indicates dates and/or times.

When the graph displays I/O rates or the transfer rates for a port controlled by an upper limit or

a threshold, the graph also displays a line that indicates the upper limit or the threshold.

When you draw a graph, use the Detail check box and the drop-down list to illustrate the desired

information, and use the Chart Y Axis Rate drop-down list to arrange the graph convenient to work.

Using the Performance Monitor GUI

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Hp XP Array Manager Software Manuale Utente Pagina 40

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