Changing Controller Mode

Related Topics

If a controller remains in passive mode , complete the steps below to return it to active mode.

How to Change a Controller to Active Mode

1

Select the passive controller in the Physical View. The controller icon indicates that the controller is in passive mode.

2

Select either the Controller >> Change >> Mode to Active pull-down menu option, or Change >> Mode to Active from the right-mouse pop-up menu.

Result: The Confirm Change to Active Mode dialog is displayed.

3

Select Yes.

Result: The controller changes to active mode. The controller icon in the Physical View changes to Active.

Array and Logical Drive Transfer

Arrays and their associated logical drives will automatically be moved to the newly active controller under the following circumstances:

If ...

Then ...

The newly active controller previously owned arrays and their associated logical drives

If ADT is enabled, the arrays and logical drives will automatically be transferred back to the original controller as I/O request are received for each logical drive.

If ADT is not enabled, use the Storage Subsystem >> Redistribute Logical Drives option to move the arrays and logical drives back to their preferred controller.

The newly active controller never previously owned arrays and their associated logical drives

Use the Array >> Change >> Controller Ownership option to move one or more arrays to this controller.

- Or -

Use the Logical Drive >> Change >> Controller Ownership option to move a single logical drive to this controller.

- Or -

Create new arrays and logical drives and specify this controller as the owner.

Related Topics

Changing Controller Ownership of an Array or Logical Drive

Managing Controllers