Device Scan; Auto Performance Tuning And Al Fairness - Qlogic 5800V Series User Manual

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To apply the same value for all selected ports, check the I/O StreamGuard
checkbox at the bottom of the dialog box.
5. Click OK.

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. To configure device scan:
1. Select a switch in the fabric tree.
2. Select one or more ports in the faceplate display.
3. On the Port menu, click Port Properties to view the Properties dialog box.
4. For each port, check (enable) or uncheck (disable) the checkbox in the
Device Scan column. To apply the same value for all selected ports, check
the Device Scan checkbox at the bottom of the dialog box.
5. Click OK.

Auto Performance Tuning and AL Fairness

The Auto Performance Tuning feature 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 and applies only to FL_Ports.
The Auto Perf Tuning and AL Fairness settings are configured using the
Advanced Port Properties dialog box.
To configure auto performance tuning and AL Fairness:
1. Select a switch in the fabric tree.
2. Select one or more ports in the faceplate display.
3. On the Port menu, click Advanced Port Properties to view the Advanced
Port Properties dialog box
4. For each port, select (enable) or clear (disable) the checkbox in the Auto
Perf Tuning and ALFairness columns. To apply the same value for all
selected ports, check the Auto Perf Tuning or ALFairness check boxes at
the bottom of the dialog box.
59266-01 B
Enable—suppresses the reception of RSCN messages from other
ports for which I/O StreamGuard is enable
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. See
"Device Scan" on page 6-19.
(Figure 6-5).
6–Managing Ports
Configuring Ports
6-19