Guide
January 2014
Cisco UCS fNIC Tunables
Contents
Overview .................................................................................. 2
Audience.................................................................................. 2
Test Environment............................................................................ 2
Cisco UCS ..................................................................................2
fNIC Driver ..................................................................................2
fNIC Tunable Parameters ...................................................................... 2
Operating System Support .................................................................... 2
Install fNIC Drivers ........................................................................... 3
Configuring fNIC Tunables ..................................................................... 3
LUN Queue Depth ............................................................................3
Displaying fnic_max_qdepth Parameter Value ......................................................4
Boot-Time Configuration ......................................................................5
Load-Time Configuration ......................................................................5
Run-Time Configuration .......................................................................5
IO Throttle Count .............................................................................6
UCSM Non-Standalone I/O Throttle Count Configuration ..............................................7
Cisco Integrated Management Controller Standalone I/O Throttle Count Configuration . . . . . . . . . . . . . . . . . . . . . . . .8
References ................................................................................ 8
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