HP XP External Storage Software - Manual (Page 95)

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 44 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 are from 2 to 128.
• IO 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).
• 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).
Editing Mapping Policy
You choose mapping policy when you map an external volume as an internal volume using the Add
Volume commands. This section explains how to edit the default mapping policy. For details on mapping
policy, see “ Choosing Mapping Policy ” on page 30.
To edit the mapping policy:
1. Start Remote Web Console, and open the Volume Operation window.
2. Make sure that Remote Web Console is in Modify mode.
3. Right-click Subsystem in the Volume Operation tree:
A pop-up menu is displayed.
4. Click Edit Policy in the pop-up menu.
The Edit Policy dialog box is displayed (see “ Edit Policy Dialog Box ” on page 95).
5. Click Default Policy in the Pattern.
6. Edit the settings in the Policy.
7. Click Close to close the Edit Policy dialog box.
The mapping policy is changed, and then the Volume Operation window is displayed.
Edit Policy Dialog Box
The Edit Policy dialog box allows you to edit the mapping policy.
XP24000 External Storage Software User’s Guide 95