Command Devices

This help page provides information to guide you through the tasks to manage command devices. This help page contains the following topics:

Overview (back to top)

Command devices are logical units that function as the interface between arrays and CCI running on hosts. They are used to allow control from a connected host. To execute CCI commands that need access to an array, you need to assign command device(s) in the array and make them accessible from the hosts.

Viewing Existing Command Devices (back to top)

In the Explorer tree, select Settings > Command Devices. A list of command devices is displayed as described in the following table.

Item	Description
Command Device	This is Command Device ID.
LUN	This is a logical unit that is assigned to the command device.
RAID Manager Protection	If enabled, the hosts can manipulate only logical units that they can recognize.

Adding Command Devices (back to top)

To add one or more command devices to the selected array:

In the Explorer tree, select Command Devices. The Command Devices window is displayed.
In the Command Devices window, click Add Command Devices. The Add Command Device window is displayed. The window contains two list boxes:
Assignable Logical Unit(s) - This list box contains a list of the LUNs that exist in the selected array.
To be Assigned Command Devices - This list box contains the list of logical units that are assigned as command devices.

Select one or more logical units in the Assignable Logical Unit list by clicking the (es) to the left of the logical unit name(s).
Click Add> to move the list of selected names to the To be assigned Command Devices window.
Click OK to save the changes A message box indicating that the selected logical units are assigned as command devices is displayed.
Click Close to close the dialog box and return to the Command Devices window. The list of commanded devices that you just added should now be displayed in the window.

Changing RAID Manager Protection (back to top)

After you assign a logical unit as a command device, you can protect it by enabling RAID manager protection for the device. To change the RAID protection for a command device:

In the Command Devices window, select one or more command devices by clicking the (es) to the left of the device name(s)..
Click Change RAID Manager Protection. The Change RAID Manager Protection dialog box is displayed.
Click the to enable RAID Manager Protection or remove the check in the to disable protection..
Click OK to apply the setting. A message box indicating that the change has been made is displayed.
Click Close to close the dialog box and return to the Command Devices window. The entries in the RAID Manager Protection column should now say Enable for each command device that you selected.

Removing Command Devices (back to top)

To remove a command device from the list of devices:

In the Command Devices window, select one or more command devices by clicking the (es) to the left of the device name(s).
Click Remove Command Device. A message box indicating that the selected command devices have been removed is displayed.
Click Close. A list of command devices should reflect the result.

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