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5. Right-click the WWN that you want to change the setting in the Path
Operation list.
6. Click Change WWN Parameter in the pop-up menu.
The Change WWN Parameter dialog box is displayed.
7. Change the set parameter of the selected port on the Change WWN
Parameter dialog box.
8. Click OK to close the Change WWN Parameter dialog box.
You are returned to the Path Operation window. The selected items are
displayed in blue and italics.
9. Verify the settings in the Preview dialog box.
10. Click Apply in the Path Operation window.
The settings are applied to the local storage system and the Path Operation
window is displayed normally. When an error occurs, an error message is
displayed. Verify the details in the Preview dialog box.
Change WWN Parameter Dialog Box
Figure 5-15
The Change WWN Parameter dialog box consists of:
•
QDepth (2-128): The number of Read/Write commands which can be
issued (queued) to the external volume at a time. The value that can be
set are from 2 to 128. The default value is 8.
•
I/O TOV (5-240): Value specified as the time over of the I/O to the
external volume. The value that can be set are 5 to 240 (in second). The
default value is 15.
•
Path Blockade Watch (5-180): The time from when the connection of all
the paths to the external volume have been down to when the external
volume is blocked. The commands from the host are accepted until the
time set for this parameter has passed. After the time set for this
parameter has passed, the path status becomes Blockade. The value that
can be set are from 5 to 180 (seconds). The default value is 10.
Hitachi Universal Storage Platform V/VM Universal Volume Manager User's Guide
Change WWN Parameter Dialog Box
Performing Universal Volume Manager Operations
5-43
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