HP XP24000, XP20000 manual Restoring the Paths to the External Volume Check Paths

3.Select one of the following from the list above the Path Operation tree.

•Fibre - Local Subsystem: Displays the ports in the local storage system. Select Fibre - Local Subsystem to stop the use of all the cross-subsystem paths connected to the specified port in the local storage system.

•Fibre - External Subsystem: Displays the WWNs in the external storage system. Select Fibre - External Subsystem to stop the use of all the cross-subsystem paths connected to the specified WWNs (ports) in the external storage system.

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

5.Right-click the port or WWN that you want to stop the use of in the Path Operation list.

6.Click Disconnect Paths in the pop-up menu. The settings appear in blue italics.

7.Verify the settings in the Preview dialog box (see “Preview Dialog Box” (page 54)).

8.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.

Restoring the Paths to the External Volume (Check Paths)

Use the Check Paths command to resume using the cross-subsystem path which was stopped by using the Disconnect Paths command. Make sure that the path is in a status that can be restored.

To restore the path to the external volume:

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

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

3.Select one of the following from the list above the Path Operation tree.

•Fibre - Local Subsystem: Displays the ports in the local storage system. Select Fibre - Local Subsystem to restore all the cross-subsystem paths connected to the specified port in the local storage system.

•Fibre - External Subsystem: Displays the WWNs in the external storage system. Select Fibre - External Subsystem to restore all the cross-subsystem paths connected to the specified WWNs (ports) in the external storage system.

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

5.Right-click the port or WWN that you want to restore in the Path Operation list.

6.Click Check Paths in the pop-up menu. The settings appear in blue italics.

7.Verify the settings in the Preview dialog box (see “Preview Dialog Box” (page 54)).

8.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.

Changing the Cache Mode Setting of the External Volume

You can change the cache mode of the external volume in the Volume Operation window. To change the cache mode of the external volume, right-click the external volume, click Change Cache Mode in the pop-up menu, and then click Enable or Disable.

Data that is not written by the host (for example, data written by XP Business Copy) is asynchronously destaged to the external storage system regardless of the Cache Mode setting.

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