4–Managing Ports
Viewing and Configuring Ports
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I/O Stream Guard
The I/O Stream Guard feature suppresses the Registered State Change
Notification (RSCN) messages on a port basis. I/O Stream Guard should be
enabled only on ports connected to initiator devices. To configure the I/O Stream
Guard option using the Port Properties dialog box, on the
Port
menu, click
Port
Properties
. Select the option that corresponds to one of the following options:
Enable—suppresses the reception of RSCN messages from other ports for
which I/O Stream Guard is enabled.
Disable
—a
llows free transmission and reception of RSCN messages.
Auto—suppresses the reception of RSCN messages when the port is
connected to an initiator device with a QLogic HBA. The default is Auto.
Refer to
Device Scan
The Device Scan feature queries the connected device during login for FC-4
descriptor information. Disable this parameter only if the scan creates a conflict
with the connected device.