HP Surestore 64 fw 05.01.00 and sw 07.01.00 - Director Product Manager - User - Page 198
Suppress RSCNs on Zone Set Activations, Con Switch Parameters, Con Preferred Domain ID
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Optional Features storage devices. As an example, this information might be that a logical path has been broken because of a physical event, such as a fiber optic cable being disconnected from a port. If Enterprise Fabric Mode is enabled, this parameter is automatically enabled and cannot be disabled unless the director or switch is offline. In this case, disabling Domain RSCNs also disables Enterprise Fabric Mode. Suppress RSCN's on zone set activations Fabric format domain register for state change notifications (RSCNs) are sent to ports on the switch following any change to the fabric's active zone set. These changes include activating and deactivating the zone set, or enabling and disabling the default zone. When the Suppress RSCNs on Zone Set Activations check box is selected, fabric format RSCNs are not sent for zone changes to the attached devices on the switch. Click the check box to remove or add a checkmark. This option is enabled (check box not selected) by default. In most cases this option should be enabled so that attached devices can receive notification of zoning changes in the fabric. However, some HBAs may log out, then log back into the fabric when they receive an RSCN, thereby disrupting Fibre Channel traffic. Consult with your HBA and storage device vendor to determine if disabling this option (and thereby enabling RSCN transmission) will cause problems with your HBA or storage products. Insistent Domain Identification (ID) This is a parameter in the Configure Switch Parameters dialog box, available from Configure menu in the Product Manager application. Enabling this option sets the domain ID configured in the Preferred Domain ID field in the Configure Switch Parameters dialog box as the active domain identification when the fabric initializes. A static and unique domain identification is required by the Fabric Binding feature because the feature's Fabric Membership list identifies switches by WWN and Domain ID. If a duplicate preferred domain ID is used, then insisted, warnings occur when directors and switches are added to a Fabric Membership List. If Fabric Binding or Enterprise Fabric Mode is enabled, this option is automatically enabled and cannot be disabled unless these options are disabled when the director or switch is offline. If the director or switch is online, disabling Insistent Domain ID will disable Enterprise Fabric Mode and Fabric Binding. 198 Director Product Manager User Guide