Disabling a Controller

The controller Disable procedure disables I/O to a controller.




	CAUTION: If your system supports the Dynamic Multipathing (DMP) feature; it should be noted that performing the controller Disable procedure will prevent DMP from accessing the paths associated with a controller.

You can disable access to a controller in preparation for hardware maintenance.

Procedure 3-12 To disable a controller

Complete the Disable Controller dialog box as follows:

Options

To disable all enclosures (disk arrays) associated with this controller, select All Enclosures.
To disable specific enclosures associated with this controller, enter the enclosure names in the Selected Enclosures field..

When you have provided all necessary information in the dialog box, click OK.




	NOTE: For systems that support rootability, the specified controller cannot contain the last enabled path to the root disk.

Technical documentation