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Storage driver-level parameters, Linux and VMware driver configuration parameters

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A Storage driver-level parameters Modifying PCIe max read request size Refer to the comment section in the /kernel/drv/bfa.conf file on your system for an example. Storage driver-level parameters The driver-level configuration parameters are global parameters used by all storage driver instances. The default values for the driver configuration parameters are compiled into the driver. NOTE These parameters are should only be changed by power users with great caution. Linux and VMware driver configuration parameters The driver-level configuration values in Table 34 are in the following locations on your system: • Linux - /etc/modprobe.conf • VMware - /etc/vmware/esx.conf Table 34 describes the Linux and VMware configuration parameters. TABLE 34 Linux and VMware driver configuration parameters Parameter Default Value Notes bfa_ioc_queue_depth bfa_io_max_sge bfa_lun_queue_depth fdmi_enable host_name ioc_auto_recover log_level msix_disable num_fcxps num_ios num_rports num_sgpgs num_tms num_ufbufs os_name 2048 128 32 1 (enabled) NULL 1 (enabled) 2 (Error) 1 64 512 512 512 128 64 NULL Maximum I/O requests that can be queued by the SCSI transport layer. This parameter is passed to the SCSI layer during SCSI transport attach. Maximum Scatter gather elements supported (per I/O request). This parameter is passed to the SCSI layer during SCSI transport attach. Maximum SCSI requests per LUN. This parameter is passed to the SCSI layer during SCSI transport attach. Enables or disables Fabric Device Management Interface (FDMI) registrations. To disable, set this parameter to 0. Host name. Auto-recover IOC (IO Controller) on heartbeat failure. BFA log level setting. See bcu log --level information in the Brocade Administrator's Guide your adapter for more information. Disable MSIx interrupt (and use INTx). Maximum number of unassisted FC exchanges. Maximum number of FCP IO requests. Maximum number of remote ports. Maximum number of scatter gather pages. Maximum number of task management commands. Maximum number of unsolicited Fibre Channel receive buffers. OS name. 206 Brocade Adapters Installation and Reference Manual 53-1002144-01

Section	Page
Contents	5
About This Document	11
In this chapter	11
How this document is organized	11
How to use this document for installing adapters	12
Supported adapter hardware and software	13
Fabric Adapters	13
CNAs	13
HBAs	13
Fabric OS and switch support	14
Host operating system support	15
Host operating system support for adapter drivers	15
Fibre Channel support	15
FCoE support	16
Ethernet support	16
Hypervisor support	17
Host operating system support for HCM	17
What’s new in this document	18
Document conventions	18
Text formatting	18
Command syntax conventions	19
Command examples	19
Notes, cautions, and warnings	19
Key terms	20
Notice to the reader	20
Additional information	20
Brocade resources	20
Other industry resources	21
Providing details for support	22
Support Save overview	24
Initiating Support Save through HCM	26
Initiating Support Save through BCU commands	26
Initiating Support Save through the internet browser	26
Initiating Support Save through a port crash event	27
Support Save differences	27
Document feedback	27
Product Overview	29
In this chapter	29
Fabric Adapters	29
AnyIO technology	30
Hardware compatibility	32
Converged network adapters	33
Stand-up adapters	34
Mezzanine adapters	36
Hardware compatibility	38
WoL and SoL limitations	40
Host bus adapters	40
Stand-up models	41
Mezzanine models	42
Hardware compatibility	43
Adapter features	44
General features	44
FCoE features	48
Data Center Bridging and Ethernet features	50
HBA features	55
Adapter management features	59
General adapter management	60
Fabric Adapter management	61
CNA management	61
NIC Management	63
HBA management	64
Fabric Adapter management	64
Adapter software	65
Driver packages	65
Management utilities	66
Host Connectivity Manager	70
Boot code	70
CIM Provider	71
Adapter event messages	71
Software installation and driver packages	71
Software installation options	76
Items shipped with your adapter	76
Stand-up adapters	76
Mezzanine adapters	77
Boot installation packages	77
Downloading software and publications	80
Using BCU commands	81
Hardware Installation	83
In this chapter	83
Introduction	83
ESD precautions	83
Stand-up adapters	84
What you need for installation	84
Installing an adapter	84
Connecting an adapter to a switch or direct-attached storage	86
Removing and installing SFP transceivers	87
Replacing an adapter	88
Mezzanine adapters	89
Brocade 804 HBA	89
Brocade 1007 CNA	90
Brocade 1741 CNA	90
Software Installation	93
In this chapter	93
Introduction	93
Installation notes	94
Using the Brocade Adapter Software Installer	96
Using the GUI-based installer	97
Software installation using Software Installer commands	104
Software removal using Adapter Software Uninstaller	111
Software upgrade using Adapter Software Installer	115
Software downgrade using Adapter Software Installer	116
Installer log	117
Using software installation scripts and system commands	117
Software installation and removal notes	117
Driver installation and removal on Windows systems	119
Driver installation and removal on Linux systems	123
Driver installation and removal on Solaris systems	125
Driver installation and removal on VMware systems	127
Confirming driver package installation	131
Confirming driver installation with HCM	132
Confirming driver installation with Windows tools	132
Confirming driver installation with Solaris tools	134
Confirming driver installation with VMware tools	135
Verifying adapter installation	136
Installing SNMP subagent	137
Windows systems	138
Linux systems	138
Updating drivers with HCM	138
Notes	139
Installing HCM to a host from the HCM Agent	140
HCM Agent operations	140
Managing the HCM Agent on Linux and VMware systems	140
Managing the HCM Agent on Solaris systems	141
Managing the HCM Agent on Windows systems	142
HCM configuration data	142
Backing up configuration data	143
Restoring configuration data	143
Setting IP address and subnet mask on CNAs	143
Windows	143
Linux	144
VMware	144
Boot Code	145
In this chapter	145
Boot support	145
Boot code updates	146
Updating boot code with HCM	147
Updating boot code with BCU commands	148
Network boot	148
Brocade BIOS support for network boot	149
Host system requirements for network boot	150
Driver support for network boot	150
Configuring network boot	151
Boot over SAN	155
Brocade BIOS support for boot over SAN	156
Brocade UEFI support for boot over SAN	157
Host system requirements for boot over SAN	158
Storage system requirements for boot over SAN	158
Disabling N_Port trunking	159
Configuring boot over SAN	159
Operating system and driver installation on boot LUNs	176
Installing the full driver package on boot LUNs	190
Fabric-based boot LUN discovery	191
Configuring fabric-based boot LUN discovery (Brocade fabrics)	192
Configuring fabric-based boot LUN discovery (Cisco fabrics)	193
Boot systems over SAN without operating system or local drive	195
Using a LiveCD image	196
Creating a WinPE image	197
Updating Windows driver on adapter used for boot over SAN	198
Specifications	199
In this chapter	199
Fabric Adapters	199
PCI Express interface	199
Hardware specifications	200
Cabling	204
Adapter LED operation	205
Environmental and power requirements	206
Converged Network Adapters	207
PCI Express interface	207
Hardware specifications	208
Cabling (stand-up adapters)	211
Adapter LED operation (stand-up adapters)	212
Environmental and power requirements	213
Host Bus Adapters	215
PCI Express interface	215
Hardware specifications	216
Cabling (stand-up adapters)	218
Adapter LED operation (stand-up adapters)	219
Environmental and power requirements	220
Fibre Channel standards compliance	220
Regulatory compliance	220
Stand-up adapters	220
Mezzanine adapters	227
Adapter Configuration	231
In this appendix	231
Introduction	231
Storage instance-specific persistent parameters	231
Managing instance-specific persistent parameters	233
Storage driver-level parameters	234
Linux and VMware driver configuration parameters	234
Windows driver configuration parameters	236
Solaris driver configuration parameters	238
Network driver parameters	239
Windows	239
Linux	244
VMware	247
Enabling jumbo frames for Solaris	252
MIB Reference	253
In this appendix	253
List of Acronyms	257

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206

Brocade Adapters Installation and Reference Manual

53-1002144-01

Storage driver-level parameters

Modifying PCIe max read request size

Refer to the comment section in the /kernel/drv/bfa.conf file on your system for an example.

Storage driver-level parameters

The driver-level configuration parameters are global parameters used by all storage driver

instances. The default values for the driver configuration parameters are compiled into the driver.

NOTE

These parameters are should only be changed by power users with great caution.

Linux and VMware driver configuration parameters

The driver-level configuration values in

Table 34

are in the following locations on your system:

•

Linux - /etc/modprobe.conf

•

VMware - /etc/vmware/esx.conf

Table 34

describes the Linux and VMware configuration parameters.

TABLE 34

Linux and VMware driver configuration parameters

Parameter

Default Value

Notes

bfa_ioc_queue_depth

2048

Maximum I/O requests that can be queued by the SCSI transport

layer. This parameter is passed to the SCSI layer during SCSI

transport attach.

bfa_io_max_sge

128

Maximum Scatter gather elements supported (per I/O request).

This parameter is passed to the SCSI layer during SCSI transport

attach.

bfa_lun_queue_depth

Maximum SCSI requests per LUN. This parameter is passed to the

SCSI layer during SCSI transport attach.

fdmi_enable

1 (enabled)

Enables or disables Fabric Device Management Interface (FDMI)

registrations. To disable, set this parameter to 0.

host_name

NULL

Host name.

ioc_auto_recover

1 (enabled)

Auto-recover IOC (IO Controller) on heartbeat failure.

log_level

2 (Error)

BFA log level setting. See bcu log --level information in the

Brocade

Administrator’s Guide

your adapter for more information.

msix_disable

Disable MSIx interrupt (and use INTx).

num_fcxps

Maximum number of unassisted FC exchanges.

num_ios

512

Maximum number of FCP IO requests.

num_rports

512

Maximum number of remote ports.

num_sgpgs

512

Maximum number of scatter gather pages.

num_tms

128

Maximum number of task management commands.

num_ufbufs

Maximum number of unsolicited Fibre Channel receive buffers.

os_name

NULL

OS name.