lkdev Command
Purpose
Locks a device. Any attempt to modify device characteristics fails.
Syntax
lkdev [ -l Name -a | -d [ -c Text ] ]
lkdev -h
Description
The lkdev command locks the specified device (the -l Name flag). Any attempt to modify device attributes by using the chdev or chpath command is denied. In addition, an attempt to delete the specified device or one of its paths from the Object Data Manager (ODM) by using either the rmdev or rmpath command is denied.
Flags
| Item | Description |
|---|---|
| -h | Displays the command usage message. |
| -l Name | Specifies the logical device name of the target device for the paths affected by the change. This flag is required in all cases. |
| -a | Locks the specified device. |
| -d | Unlocks the specified device. |
| -c Text | Specifies a text string of up to 64 printable characters that contain no embedded spaces. |
Security
Privilege control: Only the root user can execute this command.
Auditing events:
| Event | Information |
|---|---|
| DEV_LOCK | The device command line |
Examples
- To enable the lock for the hdisk1 disk
device, enter the following command:
lkdev -l hdisk1 -a - To disable the lock for the hdisk1 disk
device, enter the following command:
lkdev -l hdisk1 –d - To enable the lock for the hdisk1 disk
device and create a text label, enter the following command:
lkdev -l hdisk1 -a –c test_string - To modify the text label for the hdisk1 disk
device, enter the following command:
lkdev -l hdisk1 –c new_test_string
Location
| Item | Description |
|---|---|
| /usr/sbin/lkdev | Contains the lkdev command |