HP 377707-002 manual Configuring Fibre Channel LUN Properties

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3.Click the radio button next to the LUN whose properties you want to view, then click the Properties button. The SRP LUN Properties window opens. Table 7-7lists and describes the elements in this window.

Table 7-7:SRP LUN Properties Window Elements

Element	Description
Logical ID field	Logical ID of the LUN.
Device Category field	Provides the random radio button and sequential radio button to
	identify disk devices and tape devices respectively.
Inquiry Data field	SCSI inquiry data retrieved about the LU.
Physical Access field	Ports on your Server Switch that can access the LUN.
Description field	User-assigned description of the LUN.
Hi Mark field	The maximum number of outstanding requests from the initiator to the
	storage that the ITL can maintain.
Max Retry field	Number of failed communication attempts that must occur before the
	LUN identifies the initiator as inaccessible.
Min IO Timeout field	Maximum amount of time that elapses before a SRP request times out.
Dynamic Pathing field	Provides the following radio buttons:
	• Path Affinity—this feature locks a storage connection to a path
	for the duration of data transfer to increase speed and efficiency.
	• Gateway Port Load Balancing—this feature distributes traffic
	evenly across both ports in an FC gateway card (when both of the
	ports can access the same storage).
	• Gateway Port Failover—this feature leaves one port on an FC
	gateway dormant so it can adopt the traffic of the other port (when
	both of the ports can access the same storage) if that port goes
	down.
Apply button	Applies the changes that you make in the window to the LUN.
Reset button	Resets the fields in the window to match the properties of the LUN.
Close button	Closes the window. If you close the window before you apply changes,
	CM makes no changes to the LUN.
Help button	Opens on-line help.

Configuring Fibre Channel LUN Properties

To configure FB LUN properties:

1.Expand the Fibre Channel icon in the Tree frame.

2.Click the Logical Units branch. A Logical Units table that includes all LUs in your configuration file appears in the View frame.

3.Click the radio button next to the LUN whose properties you want to view, then click the Properties button. The SRP LUN Properties window opens.

4.(Optional) Enter a description in the Description field.

5.(Optional) Enter an integer value in the Hi Mark field.

6.(Optional) Enter an integer value in the Max Retry field.

7.(Optional) Enter an integer value in the Min IO Timeout field.

8.(Optional) Click a radio button in the Dynamic Pathing field.