HP 8/20q HP StorageWorks 8/20q Fibre Channel Switch QuickTools Switch Manageme - Page 94
Port symbolic name, Port states, Port operational states
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Table 19 Port Properties dialog box fields (Continued) State Configured Type Description The port type saved in the switch configuration. To change, click in the field and select an option from the drop-down list. I/O Stream Guard The I/O Stream Guard option 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 change, click in the field and select an option from the drop-down list. The options are: • Enable-Suppresses the reception of RSCN messages from ports for which I/O Stream Guard is enabled. • Disable-Allows free transmission and reception of RSCN messages. • Auto-Suppresses the reception of RSCN messages when the port is connected to an initiator device with an HBA. The default is Auto. Device Scan The Device Scan feature queries the connected device during login for FC-4 descriptor information. Disable this option only if the scan creates a conflict with the connected device. Port symbolic name To change the symbolic name of a port: 1. Open the faceplate display and select a port. 2. Select Port > Port Properties to open the Port Properties dialog box. 3. Click inside the Symbolic Name field and enter a new name for the port. 4. Click OK. Port states The port operational state refers to the actual port state and not to the administrative state you may have assigned. The port administrative state refers to the user-requested state. For more information, see "Port operational states" (page 94). Port administrative states have two forms: the configured administrative state and the current administrative state. For more information, see "Port administrative states" (page 95). Port operational states To view the operational state of each port in the faceplate display, open the View menu and select View Port States. Table 20 lists the possible operational states and their meanings. Table 20 Port operational states State Description Online-Port is active and ready to send data. None Inactive-Port operational state is offline, but administrative state is online. Isolated-E_Port has lost its connection. See Table 17 for information about why the E_Port has isolated. Offline-Port is active, can receive signal, but cannot accept a device login. Diagnostics-Port is in diagnostics mode in preparation for testing. Downed-The port is disabled, power is removed from the lasers, and the port cannot be logged in. 94