Performance
Monitor
Operations
5-5
Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide
The information you can view by selecting each tab for the tree is explained
below.
•
Physical
tab
Enables you to view usage statistics about resources in the storage system.
•
LDEV
tab
Enables you to view statistics about workload on disks.
•
Port-LUN
tab
Enables you to view statistics about traffic at ports and LU paths in the
storage system.
•
WWN
tab
Enables you to view statistics about traffic at path between host bus
adapters (HBAs) and ports.
Two sliders are displayed on the upper right of the
Performance
Management
window. To the left and right of the two sliders, dates and times
are displayed. The term between these dates and times is the period in which
statistics are stored. If the date and time on the left is
2007/03/27 16:00
and the
date and time on the right is
2007/03/28 16:00
, you can view usage statistics for
the period of
2007/03/27 16:00
to
2007/03/28 16:00
.
If you change the dates and times in
From
and
To
, you can specify the range
of statistics that should be displayed in the window. For example, if the
window displays statistics for the last one month, you can change the values in
From
and
To
to display the statistics for the last week only or to display the
statistics for the last three days only.
When monitoring ports, LU paths or host bus adapters in the
Port-LUN
tab or
the
WWN
tab, you can view the monitoring results in near-real time. To view
the monitoring results in real time, select the
Real Time
option which is
included in the
Monitoring Term
area of the
Performance Management
window. The information in the window will be updated at the specified
gathering interval (every 1 to 15 minutes). You cannot view the monitoring
results displayed in the
Physical
tab and the
LDEV
tab in real time.
