Setting A Threshold: One-To-One Connections - HPE XP7 User Manual

The upper limit value that you entered is displayed in blue.
CAUTION:
I/O performance might be lowered. If I/O performance is lowered, the host cannot be
connected to the storage system in some cases.
8. Click Apply to apply the settings to the storage system. The upper limit value that you entered
turns black.
Related topics
"Performance Control workflow: one-to-one connections" (page 114)
"Performance Control window" (page 227)
"Port tab of the Performance Control main window" (page 228)

Setting a threshold: one-to-one connections

When one-to-one connections are established between HBAs and ports, you can set a threshold
value for each prioritized port or one threshold value for the entire storage system. When traffic
between high-priority servers and the ports or storage system falls below the specified threshold
level, upper limit control is disabled to allow higher performance on non-prioritized ports during
periods of low activity on prioritized ports. For details about threshold values, see
control" (page
Prerequisites
Required role: Storage Administrator (System Resource Management)
You must enable the Remote Web Console secondary window. For details, see the XP7
Remote Web Console User Guide.
Procedure
1. Open the Performance Control window.
In Command View Advanced Edition:
1. On the Resources tab, expand the Storage Systems tree, right-click the target storage
system, and then select Other Functions.
2. In the displayed window, select Actions > Port/Host Group > Authentication.
3. In the next displayed window, select Go > Performance Manager > Performance
Control.
In Remote Web Console:
1. Click Reports > Performance Monitor > Performance Control to open the
Performance Control window.
2. Click
3. In the Performance Control window, click Performance Control. The Performance Control
main window appears.
4. Select the Port tab.
5. If you want to set a threshold value for each prioritized port, select the type of rates for the
threshold value from the list in the upper left corner of the list.
To use the I/O rates for the threshold value, select IOPS.
To use the transfer rates for the threshold value, select MB/s.
If you want to set one threshold value for the entire storage system, this step is unnecessary.
118 Performance Control operations
If an upper limit of the non-prioritized WWN is set to zero or nearly zero,
106).
to change to Modify mode.
"Threshold