HP XP24000, XP20000 manual Changing the Port Setting of the External Storage System

Changing the Port Setting of the External Storage System

You can change the setting of the port of the external storage system in the Path Operation window. For changing the setting of the port, use the Change WWN Parameter dialog box.

CAUTION:

•If the default setting has no problem, use the default setting as it is.

•For the volume used in usual I/O, set I/O TOV within 15 seconds.

•For changing the setting, match the value to the recommended value of the external storage system.

To change the port setting of the external storage system:

1.Start Remote Web Console, and open the Path Operation window.

2.Make sure that Remote Web Console is in Modify mode.

3.Select Fibre - External Subsystem from the list above the Path Operation tree.

4.Click the product name in the Path Operation tree.

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 opens (see Figure 37 (page 97)).

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 and return to the Path Operation window.

The selected items appear in blue 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 appears normally. When an error occurs, an error message appears . Verify the details in the Preview dialog box.

Change WWN Parameter Dialog Box

Figure 37 Change WWN Parameter Dialog Box

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 ranges 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 ranges from 5 to 240 (in seconds). 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

Changing the Port Setting of the External Storage System 97