Viewing Controller Properties

Use this option to view the properties of a selected controller.

Procedure

1

Select a controller in the Physical View; then, select either the Controller >> Properties pull-down menu option, or Properties from the right-mouse pop-up menu.

Result: The Controller Properties dialog is displayed.

The Base tab displays basic controller information, such as the manufacturer and serial number of the controller and the cache/processor size.

The Interfaces tab displays information about the drive and host interfaces to this controller, in two tables. For more information, see the sections of this topic called About the Drive Interfaces Table and About the Host Interfaces Table.

2

Select OK to close the dialog.

About the Drive Interfaces Table

The information in the Drive Interfaces Table varies, depending on the interface type, as described below.

Interface

Information Displayed

SCSI

Each row in this table describes a controller drive interface (an access path from the selected controller to the storage subsystem drives). Every drive interface in the storage subsystem that is associated with the controller is displayed in this table.

The SCSI drive interfaces table has two columns:

  • The Channel column lists the SCSI channel number of the drive interface.
  • The Current ID column lists the SCSI ID of the controller making the connection to a drive through this channel.

Fibre Channel

Each row in this table describes a controller drive interface (an access path from the controller to a single drive port on a storage subsystem drive). (There are two Fibre Channel drive interfaces to every drive, one to each drive port.) Every drive interface in the storage subsystem that is associated with the selected controller is displayed in this table.

The Fibre Channel drive interfaces table has two columns:

  • The Channel column lists the channel number of the drive interface. There are multiple channels that can be used on a single controller.
  • The Current ID column lists the actual Loop ID of the controller port connecting through this channel to a drive port.

About the Host Interfaces Table

The information in the host interfaces table varies depending on the interface type.

Interface

Information Displayed

SCSI

Each row in this table describes a controller host interface (a connection from a selected SCSI controller to a host adapter).

The SCSI host interfaces table has two columns:

  • The Channel column lists the SCSI channel number of the controller host interface.
  • The Current ID column lists the SCSI ID of the controller host interface.

Fibre Channel

Each row in this table describes a controller host interface (a connection from a Fibre Channel controller port to a port on a host). Each Fibre Channel controller may have one or more ports that can be used to access ports on a host.

The Fibre Channel host interfaces table has four columns:

  • The Port column lists the controller ports used to connect to ports on a host.
  • The Current ID column lists the current Fibre Channel Loop ID of the controller port associated with the host interface. The Loop ID is in the form Decimal Loop ID / hexadecimal AL_PA.

    Note: If the Preferred ID is set to 126, indicating that the controller host interface is using a point-to-point connection rather than an arbitrated loop, the value Not Applicable is displayed in this column.

  • The Preferred ID lists the preferred Fibre Channel Loop ID of the controller port associated with the host interface. The Loop ID is in the form Decimal Loop ID / hexadecimal AL_PA. You can set the preferred ID through the Change Preferred Loop ID dialog box. On some models of controller, you may have to set the preferred ID using a hardware switch on the controller.
  • The NL-Port ID lists the hexadecimal NL-Port Identifier of the controller port associated with this host interface. The NL-Port ID is a 24-bit address used in the S_ID and D_ID fields of a frame.