Q-Logic 8100 SERIES manual Driver Parameter Description, # reboot

5–Installation in a VMware Environment Configuring the Driver Parameters

4.Reboot the server to place the parameter changes into effect.

# reboot

Table 5-1describes the configurable QLogic driver parameters.

Table 5-1. esxcfg-module Configurable Driver Parameters

Driver Parameter	Description
ql2xallocfwdump	Enables (1) or disables (0) allocation of memory for a
	firmware dump during adapter initialization. Memory
	allocation requirements vary by ISP type. The default
	is 0.
ql2xcmdtimeout	Timeout value for the scsi command in seconds.
	Default is 20.
ql2xenablemsi	Enables (1) or disables (0) the MSI-X/MSI interrupt
	scheme. Default is 0.
ql2xexecution_throttle	I/O control block exchange count for the adapter. The
	default is 0.
ql2xextended_error_logging	Enables (1) or disables (0) extended error logging.
	The default is 0.
ql2xiidmaenable	Enables (1) or disables (0) iIDMA settings. The default
	is 1.
ql2xintrdelaytimer	Number of seconds before the firmware sends an
	interrupt to the host indicating request completion.
ql2xioctltimeout	Ioctl timeout value for pass-through commands in sec-
	onds. Default is 66.
ql2xloginretrycount	Number of login retries allowed.
ql2xlogintimeout	Login timeout value in seconds. Default is 20.
ql2xmaxqdepth	Maximum queue depth to report for target devices.
	Default is 32.
ql2xmaxsgs	Maximum scatter or gather entries per I/O request.
	Default is 32.
ql2xoperationmode	Enables or disables operation mode for 2Gb or 4Gb
	Fibre Channel adapters. For 2Gb Fibre Channel
	adapters, set to 0x5 to enable zero input-output (ZIO)
	mode. For 4Gb Fibre Channel adapters, set to
	0x5/0x6 to enable ZIO mode.

5-16 FE0254601-00 A