HP StorageWorks 2/64 HP StorageWorks Fabric OS 5.x Command Reference Guide (AA - Page 126
Table 6 Con command virtual channel fields, Insistent Domain ID mode
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NOTE: An HP Extended Fabrics license is required to set this mode. BB Credit Insistent Domain ID mode The buffer-to-buffer (BB) credit represents the number of buffers available to attached devices for frame receipt. The range of allowed values varies depending on other system settings. This mode enables a flag for the domain ID, so that the current domain setting for the switch is insistent: that is, remains the same over switch reboots, power cycles, CP failovers, firmware downloads, and fabric reconfigurations. If a switch does not get the selected insistent domain ID during a fabric reconfiguration, it segments itself out of the fabric Virtual channel settings The switch enables fine-tuning for a specific application by configuring the parameters for eight virtual channels. The first two virtual channels are reserved for switch internal functions and are not available for modification. The default virtual channel settings have already been optimized for switch performance. Changing the default values can improve switch performance but can also degrade performance. Do not change these settings without fully understanding the effects of the changes. Table 6 lists the virtual channel fields and their settings. Table 6 Configure command virtual channel fields Field Default Range VC Priority 2 2 2 to 3 VC Priority 3 2 2 to 3 VC Priority 4 2 2 to 3 VC Priority 5 2 2 to 3 VC Priority 6 3 2 to 3 VC Priority 7 3 2 to 3 VC Priority specifies the class of frame traffic given priority for a virtual channel. Zoning operation parameters The zoning operation parameter field is as follows: Disable NodeName Zone Checking Specify 1 to disable using node WWN when specifying nodes in the zone database, or specify 0 to enable using node WWN when specifying nodes in the zone data. The default value is 0. This value must be set to 1 for interoperability. 126 Fabric OS commands
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