Emulex 3.4 user manual Scsi ID

Table 9: lpfc Static Parameters (Requires a driver reload to change) (Continued)

					Visible
Variable	Default	Min	Max	Comments	using
					sysfs
lpfc_discovery_threads	32	1	64	Specifies the maximum	No
				number of ELS commands
				that can be outstanding for
				a discovery.
				NOTE: The
				discovery_threads
				parameter will default to a
				value of 64 for private loop
				topologies regardless of the
				configured value. If there
				are multiple ports
				configured on the host the
				value of 64 will only be
				used for those ports that
				are connected in a private
				loop topology. The
				configured value will be
				used for all other ports.
lpfc_enable_npiv	0	0	1	This parameter controls the	Yes
				driver’s ability to use NPIV
				to create virtual ports. It
				defaults to off (0) which
				prevents the driver from
				creating any virtual ports.
				When enabled (set to 1) it
				enables you to create and
				delete virtual ports (if
				supported by the fabric).
lpfc_fcp_class	3	2	3	The Fibre Channel class for	Yes
				FCP data transmission.
lpfc_hba_queue_depth	8192	32	8192	The maximum number of	Yes
				FCP commands that can
				queue to an Emulex HBA.
lpfc_lun_queue_depth	30	1	128	The default maximum	Yes
				commands sent to a single
				logical unit (disk).
lpfc_fdmi_on	0	0	2	False (0) if disabled. (1) or	Yes
				(2) if enabled depending on
				type of support needed.
lpfc_scan_down	1	0=Off	1=On	Selects method for	Yes
				scanning ALPA to assign a
				SCSI ID.

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