Viewing Transfer Rates Between Hbas - Hitachi MK-96RD617-08 User Manual

Viewing Transfer Rates between HBAs

Performance Monitor monitors traffic between HBAs in the hosts and ports on
the storage system, and measures transfer rates (that is, the size of data
transferred in one second).
To view transfer rates:
1. Ensure that the Performance Management window is displayed.
2. Select the WWN tab.
The tree displays a list of SPM groups (
named Not Grouped is displayed.
– To display host bus adapters (
SPM group.
– To display host bus adapters (
double-click Not Grouped.
3. Select MB/s from the list on the right side of the window.
4. In Monitoring Term, do one of the following:
– To view the transfer rate in real time, you must select the Real Time
option, specify the number of recent collections of statistics which
should be displayed in the graph, and then click Apply.
– To view transfer rates for a certain period of time in the last 24 hours,
you must select the From option, change the date and time in the
From and To boxes, and then click Apply. Use the arrow button and
the sliders when you change the date and time in the From and To
boxes.
For details on the Real Time option and the From option, see WWN Tab of
the Performance Monitor Window.
5. In the tree, do one of the following:
– To view the transfer rate for host bus adapters in an SPM group, select
the SPM group.
The list on the right displays the transfer rate.
– To view the transfer rate for host bus adapters that do not belong to
any SPM group, select Not Grouped.
The list on the right displays the transfer rate.
Tips:
– If you select the Subsystem folder in the tree, the list displays the
transfer rate at each SPM group.
– If you select a host bus adapter (
transfer rate at each port connected to the selected host bus adapter.
6. If you want to display a graph to find out how the transfer rate has been
changed, take the following steps:
a. In the list, select one or more SPM groups, WWNs, or ports.
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Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User's Guide
Performance Monitor Operations
). Below SPM groups, an item
) in the SPM group, double-click an
) that do not belong to any SPM group,
) in the tree, the list displays the