Changing the MP blade or unit of an external volume
Before you begin
You must have the Storage Administrator (Provisioning) role.
Procedure
Open the External Storage window.
In 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 one or more external volumes, and then select More Actions >Assign MP Blade or Assign MP Unit.
In the Assign MP Blade or Assign MP Unit window, select the desired MP blade or unit.
The current setting for the external volume is displayed, unless you have selected multiple external volumes with different values. Then the field is blank.
The choices you see are dependent on the configuration of the device. They range from MPB0 to MPB7 (VSP G1000, G1500).
MP blade or unit assignment should be set to evenly distribute work across all the available processors.
Selecting Auto allows the system to assign the blade or unit.
Click Finish.
In the Confirm window, review the settings, accept the task name or enter a new one, and then click Apply.