3.7.0 HP StorageWorks HP Scalable NAS File Serving Software administration guide - HP Scalable NAS 3.7 for Linux (AG513-96002, October 2009)

/etc/opt/hpcfs/fc_pcitable file
The following options were added to the driver load line for the QLogic HBA driver
runtime execution:
"ql2xmaxqdepth=0x80 qlport_down_retry=10 ql2xloginretrycount=30 ql2xfailover=0
ql2xlbType=0 displayConfig=1 ql2xautorestore=0x20 ql2xqfullrampup=3"
The options are:
Maximum queue depth to report for target devices.
ql2xmaxqdepth
Maximum number of command retries to a port that re-
turns a PORT-DOWN status.
qlport_down_retry
Specify an alternate value for the NVRAM login retry
count.
ql2xloginretrycount
Enable/disable driver fail-over support.
ql2xfailover
Load Balance Method.
ql2xlbType
If 1, display the configuration used in /etc/mod-
probe.conf.
displayConfig
Enable or disable auto-restore for the specified devices.
ql2xautorestore
Number of seconds to wait to begin to ramp-up the queue
depth for a device after a queue-full condition has been
detected.
ql2xqfullrampup
/etc/rc.d/init.d/multipath.conf file
Three parameters were changed from the default values in the EVA A/A section of
this file to aid multipath operations on the EVA 4400 array in the HP 4400 Scalable
NAS appliance. The affected parameters are:
Specifies the interval between path checks, in seconds. The
value was changed from 10 to 1.
polling_interval
Specifies the number of I/Os to route to a path before
switching to the next path in the same path group. The value
was changed from 100 to 8192.
rr_min_io
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