Dell Brocade Adapters - Manual (Page 234)

206 Brocade Adapters Installation and Reference Manual
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Storage driver-level parameters
A
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 32 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 1 Disable MSIx interrupt (and use INTx).
num_fcxps 64 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 64 Maximum number of unsolicited Fibre Channel receive buffers.
os_name NULL OS name.