Emulex LightPulse LPe1105-M4 HBA Installation Guide download pdf (Page 87)

Editing the configuration files

Installing and Configuring the Linux Host with the Emulex Driver

Editing the configuration files

This section contains information on editing the configuration files.

◆ “Description of the Emulex lpfc driver parameters”, next

◆ “Descriptions of the Emulex parameters” on page 88

◆ “Editing the Emulex driver parameters on hosts with SLES 9,

SLES 10, and SLES 11” on page 90

◆ “Editing the Emulex driver parameters on hosts with RHEL 4 and

RHEL 5” on page 91

◆ “Editing the Emulex driver parameters on hosts with Asianux 2.0

and Asianux 3.0” on page 92

◆ “Editing the Emulex driver parameters on hosts with OEL 4 and

OEL 5” on page 93

Description of the Emulex lpfc driver parameters

The Emulex driver exports certain parameters which may be used to

modify the behavior of the driver. To obtain a listing of the

parameters that have been exported, issue the modinfo command.

/sbin/modinfo lpfc | grep parm

parm: lpfc_max_luns:Maximum number of LUNs per target driver will support (int)

parm: lpfc_scsi_hotplug:Enables support of SCSI hotplug (int)

parm: lpfc_discovery_threads:Maximum number of ELS commands during discovery (int)

parm: lpfc_fdmi_on:Enable FDMI support (int)

parm: lpfc_cr_count:A count of I/O completions after which aninterrupt response

is generated (int)

parm: lpfc_cr_delay:A count of milliseconds after which aninterrupt response is

generated (int)

parm: lpfc_fcp_bind_method:Select the bind method to be used (int)

parm: lpfc_ack0:Enable ACK0 support (int)

parm: lpfc_use_adisc:Use ADISC on rediscovery to authenticate FCP devices (int)

parm: lpfc_fcp_class:Select Fibre Channel class of service for FCP sequences (int)

parm: lpfc_link_speed:Select link speed (int)

parm: lpfc_topology:Select Fibre Channel topology (int)

parm: lpfc_nodev_tmo:Seconds driver will hold I/O waiting for a device to come

back (int)

parm: lpfc_scan_down:Start scanning for devices from highest ALPA to lowest (int)

parm: lpfc_lun_queue_depth:Max number of FCP commands we can queue to a specific

LUN (int)

parm: lpfc_log_verbose:Verbose logging bit-mask (int)

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Emulex LightPulse LPe1105-M4 HBA Installation Guide Page 87