VERITAS Volume Manager 3.1 Storage Administrator Administrator's Guide

Disk Tasks
Disabling a Controller
Chapter 3126
Disabling a Controller
This procedure disables I/O to a controller. This procedure also prevents
the Dynamic Multipathing feature from accessing the paths associated
with a controller. You can disable access to a controller in preparation for
hardware maintenance.
To enable a controller
Step 1. Select the controller to be disabled.
Step 2. Choose Controller Disable (Command Launcher).
Step 3. Complete the Disable Controller dialog box as follows:
When you have provided all necessary information in the dialog box,
click OK.
Controller Name(s): If the correct controller name is not already
displayed in this field, type the controller’s name or
click Browse to select the controller.
Options Click Show Options to access the optional settings
for this task.
• To disable all enclosures (disk arrays)
associated with this controller, select All
Enclosures.
• To disable specific enclosures associated with
this controller, type the enclosure names in the
Selected Enclosures field or click Browse to
select the enclosures.
Notes:
• This task requires a controller name.
• This task prevents I/O and the Volume Manager Dynamic
Multipathing feature from accessing the paths associated with the
specified controller.
• The specified controller cannot contain the last enabled path to the
root disk.