VERITAS Volume Manager 3.5 User's Guide - VERITAS Enterprise Administrator (September 2004)

Disk Tasks
Disabling a Controller
Chapter 3 69
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.
To disable a controller
Step 1. Select the controller to be disabled.
Step 2. Choose Actions > Disable.
Step 3. Complete the Disable Controller dialog box as follows:
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.
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..