Using the Universal Volume Manager GUI 4-17
Hitachi Universal Storage Platform V/VM Universal Volume Manager User’s Guide
Path Operation List (When Product Name is Clicked)
When you click a product name in the Path Operation tree, WWN which
indicate the port in the external storage system is displayed in the list.

Figure 4-7 Path Operation List when Product Name is Clicked

The Path Operation list consists of:

WWN

The following items are displayed:
WWN: WWN indicating the port in the external storage system that the
connection setting is completed.
QDepth: The number of Read/Write commands which can be issued
(queued) to the external volume at a time.
I/O TOV: Value specified as the time over of the I/O to the external
volume.
Path Watch: The time from when the connection of all the cross-
subsystem paths to the external volume have been down to when the
external volume is blocked.
Status: Status of the cross-subsystem path. For the displayed statuses,
see Table 4-7.
Pop-up menu
Right-click a row in the Path Operation list to perform the following
operations from the pop-up menu.

Table 4-9 Pop-up Menu in the Path Operation List (when Product Name

is clicked)

Pop-up Menu Description
Disconnect Paths Allows you to stop the use of the cross-subsystem paths which are connected
to the selected external port of the local storage system.
Check Paths Allows you to restart the use of the cross-subsystem paths which are
connected to the selected external port of the local storage system.
Change WWN
Parameter
Displays the Change WWN Parameter dialog box. This dialog box allows you to
change the parameters on the port of the external storage system.