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Configuration Settings A – Fast!UTIL
A-4 FC0151103-00 E
■ Execution Throttle. This setting specifies the maximum number of
commands executing on any one port. When a port’s execution throttle is
reached, no new commands are executed until the current command
finishes executing. The valid options for this setting are 1-256. The default
(optimum) is 16.
■ Fast Command Posting. This setting decreases command execution time
by minimizing the number of interrupts. The default is Enabled.
■ >4GByte Addressing. This option should be enabled if the system has more
than 4 Gbytes of memory available. The default is Disabled.
■ LUNs per Target. This setting specifies the number of LUNs per target.
Multiple LUN support is typically for redundant array of independent disks
(RAID) boxes that use LUNs to map drives. The default is 8. If you do not
need multiple LUN support, set the number of LUNs to 0.
■ Enable LIP Reset. This setting determines the type of loop initialization
process (LIP) reset that is used when the operating system initiates a bus
reset routine. When this setting is yes, the driver initiates a global LIP reset
to clear the target device reservations. When this setting is no, the driver
initiates a global LIP reset with full login. The default is No.
■ Enable LIP Full Login. This setting instructs the ISP chip to re-login to all
ports after any LIP. The default is Yes.
■ Enable Target Reset. This setting enables the drivers to issue a Target
Reset command to all devices on the loop when a SCSI Bus Reset command
is issued. The default is No.
■ Login Retry Count. This setting specifies the number of times the software
tries to log in to a device. The default is 8 retries.
■ Port Down Retry Count. This setting specifies the number of times the
software retries a command to a port returning port down status. The default
is 8 retries.
■ Drivers Load RISC Code. When this setting is enabled, the host adapter
uses the RISC firmware that is embedded in the software driver. When this
setting is disabled, the software driver loads the RISC firmware that is stored
in the QLA22xx BIOS. The default is Enabled.
NOTE: The driver being loaded must support this setting. If the driver does
not support this setting, the result is the same as disabled
regardless of the setting. Leaving this option enabled guaranties a
certified combination of software driver and RISC firmware.
■ Enable Database Updates. When enabled, this setting allows the software
to save the loop configuration information in flash memory when the system
powers down. The default is No.