HP XP7 Storage - Manual (Page 69)

Related topics
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“WWN tab of the Performance Control main window” (page 211)
Setting an upper-limit value to HBAs in a PFC group
If all host adapters in a PFC group are non-prioritized WWNs, you can set an upper limit value
to HBA performance (i.e., I/O rate or transfer rate). You can assign one upper limit value for one
PFC group.
For example, suppose that the upper limit value 100 IOPS is assigned to a PFC group consisting
of four host adapters. If the sum of the I/O rate of the four host adapters reaches 100 IOPS,
Performance Control controls the system so that the sum of the I/O rates will not exceed 100 IOPS.
Prerequisites
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Required role: Storage Administrator (System Resource Management)
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You must enable the Remote Web Console secondary window. For details, see the HP XP7
Remote Web Console User Guide.
1. Display the Remote Web Console main window.
2. Click Reports > Performance Monitor > Performance Control to open the Performance Control
window.
3. Click to change to Modify mode.
4. In the Performance Control window, click Performance Control. The Performance Control main
window appears.
5. Select the WWN tab.
6. In the lower-left tree, select and right-click the Storage System folder or a PFC group ( ).
7. If you selected the Storage System folder, take the following steps:
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Select IOPS or MB/s from the list at the upper-left corner of the list. Select IOPS if you
want to assign an upper limit to the I/O rate. Select MB/s if you want to assign an upper
limit to the transfer rate.
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To assign an upper limit to the I/O rate, enter the upper limit value in the IOPS column
of the list. To assign an upper limit to the transfer rate, enter the upper limit value in the
MB/s column of the list.
TIP: If you cannot see the IOPS or MB/s column, scroll the list to the left. The column is
located at the right side of the list.
If you selected a PFC group ( ), take the following steps:
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Right-click the selected PFC group and then select Change Upper Limit from the pop-up
menu. The Change Upper Limit dialog box opens.
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To assign an upper limit to the I/O rate, enter the upper limit value and then select IOPS
from the list. Next, select OK. To assign an upper limit to the transfer rate, enter the upper
limit value and then select MB/s from the list. Next, select OK.
Working with PFC groups 69