User guide

118 Sun Storage Fibre Channel Switch 5802 QuickTools User Guide • September 2008
■ 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.
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.
Auto Performance Tuning and AL Fairness
The Auto Perf Tuning and AL Fairness settings are configured using the Advanced
Port Properties dialog (
FIGURE 4-5). The Auto Perf Tuning option enables the switch
to dynamically control the MFS_Enable, VI_Enable and LCF_Enable features based
on the operational state of the port. The AL Fairness option controls how frequently
the switch can arbitrate for access. Applies only affects ports running in loop (FL)
mode. To open the Advanced Port Properties dialog, select one or more ports, open
the Port menu, and select Advanced Port Properties.
Note – Use the Select to Propagate Changes to Entire Column options to propagate
the same change to all selected ports, select the options before making a change to a
port.