HP StorageWorks 2/140 director product manager user guide - Page 111
Domain RSCNs, Director Speed, Operating Mode, E_D_TOV, Con Fabric Parameters, Gb/sec, S/390
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Configuring the Director This may result in frames being delivered to a destination out of order since frames sent over the new, shorter path may arrive ahead of older frames still in route over the older path. If rerouting delay is enabled, traffic ceases in the fabric for the time specified in the E_D_TOV field of the Configure Fabric Parameters dialog box. This delay allows frames sent on the old path to exit to their destination before new frames begin traversing the new path. NOTE: This option is required if Enterprise Fabric Mode (optional SANtegrity binding feature) is enabled. Domain RSCNs Domain register for state change notifications (domain RSCNs) are sent between end devices in a fabric to provide additional connection information to host bus adapters (HBA) and 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. Consult with your HBA and storage device vendor to determine if enabling Domain RSCNs will cause problems with your HBA or storage products. Note that this option is required if Enterprise Fabric Mode (optional SANtegrity binding feature) is enabled. Director Speed At the Director Speed field, choose 1 Gb/sec or 2 Gb/sec to select the speed of Fibre Channel operation. NOTE: Changing the director speed to 2 Gb/sec with any 1 Gb/s FPM cards installed will cause the following warning/confirmation message to display: "All FPM ports will be held inactive while the director is configured to 2 Gb/sec speed. Do you want to continue?" Operating Mode NOTE: To change this value, you must first set the director offline. Choose Set Online State from the Maintenance menu to display the Set Online State dialog box, then click Set Offline. Be sure to set the director back online after you change this value. NOTE: If you change the Operating Mode to S/390, all ISL/E-Ports are disabled. Click either the S/390 or Open Systems radio buttons: • If the FICON Management Server feature is enabled, the default mode will be S/390. The operating mode cannot be changed to Open Systems with the FICON Management Server feature enabled. Typically, S/390 mode is used when director product manager user guide 3-5
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