[rancid] NX-OS 6.1.4/Fan Zone Speed

Dino Panagiotopoulos dino.panagiotopoulos at gmail.com
Fri Dec 13 20:36:53 UTC 2013

Hi Everyone,

Since upgrading to NX-OS 6.1(4), fan module speed changes are written to 
the startup config which in turn is creating a diff for each time the fan 
speed changes. As you could imagine, this is causing a lot of false 
positive emails to be sent each time Rancid and CVS run. Please see the 
example below:

retrieving revision 1.1356
diff -U 4 -r1.1356
@@ -77,9 +77,9 @@
  !Env: Fan4(fab_fan2)  N7K-C7010-FAN-F      1.1        Ok
  !Env: Fan_in_PS1      --                   --         Ok
  !Env: Fan_in_PS2      --                   --         Ok
  !Env: Fan_in_PS3      --                   --         Ok
- !Env: Fan Zone Speed: Zone 1: 0x70 Zone 2: 0x50
+ !Env: Fan Zone Speed: Zone 1: 0x60 Zone 2: 0x48
  !Env: Fan Air Filter : Present

This will flip back and forth with each fan change. Has anyone on 6.X NX-OS 
code experienced anything like this? We are on RANCID 2.3.4 and if this not 
resolved in the newest release, is it possible to just remove 'sh env' from 
the nxrancid.in file? 

Dino Panagiotopoulos
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