Changing path mode to ALUA mode (Enable or Disable)
You can select whether ALUA mode is used as the path mode. See Supported external systems path mode for external volumes.
Prerequisites
The external storage system must support ALUA. If Enable is set for ALUA Settable on the external volume, Enable is set for Use ALUA as Path Mode automatically. If Disable is set for ALUA Settable, Disable is set for Use ALUA as Path Mode automatically.
You must have Storage Administrator (Provisioning) role to perform this task.
Procedure
Open the External Storage window.
In the Hitachi Command Suite:
On the Resources tab, click Storage Systems, and then expand All Storage Systems.
Expand the target storage systems, right-click External Storage, and then select System GUI.
In Device Manager - Storage Navigator:
Click Storage Systems, and then expand the Storage Systems tree.
Click External Storage.
On the External Storage Systems tab, click the link for an external system.
On the External Path Groups tab, click the link for a path group.
On the Mapped Volumes tab, select an external volume, and then click Edit External Volumes.
On the Edit External Volumes window, select Enable or Disable as the Use ALUA as Path Mode property.
Click Finish to display the Confirm window.
Confirm the settings and enter the task name in the Task Name box.
In the Confirm window, click Apply.