[rancid] Force10 FTOS 9 still triggering alerts due to flash mod time changing and fan speed

[Doug Hughes]

Yes, this is relatively easy to fix.

for the first I'd add a line in your ShowFlash proc near the other 'next 
if' lines like so:

next if / \.?$/;
(that will skip the . and .. entries.)

for the next it'd be in the ShowChassis procedure you could do something 
similar, however if you care about the fan status but not the speed 
(reasonable), you have to do a little more processing. There are ways 
you could do this with more work by eliminating the speed, but the 
simple answer might be:

next if / up /;

It's a little bit scattershot, but it will quiet the noise unless 
something important comes up with a fan or a power supply. (It's also 
easier than testing the alternate)


On 1/30/2017 5:30 PM, Vinny.Abello at nttdata.com wrote:
>
> Hello all,
>
> I’ve got RANCID pointed at various Force10 switches all running some 
> release of OS 9. RANCID continually sees changes from doing a 
> directory listing. This has been discussed before here:
>
> http://www.shrubbery.net/pipermail/rancid-discuss/2013-August/006995.html
>
> It seemed like this was a new issue with OS 9 and a patch was issued 
> to address it. However, I’m running RANCID 3.6.2 and can see in 
> f10rancid that it is patched in this manner, but it seems to have no 
> effect for me. I continually get diffs every time rancid-run fires.
>
> An example:
>
> @@ -25,9 +25,9 @@
>
>   !Boot Variables: BOOT INTERFACE GATEWAY IP ADDRESS =  variable does 
> not exist
>
>   !Boot Variables: Reload Mode = normal-reload
>
>   !
>
>   !Flash: flash:   1  drwx       4096 Dec 31 1979 16:00:00 -08:00 .
>
> - !Flash: flash:   2  drwx       3584 Jan 30 2017 13:03:18 -08:00 ..
>
> + !Flash: flash:   2  drwx       3584 Jan 30 2017 14:03:26 -08:00 ..
>
>   !Flash: flash:   3  drwx       4096 Sep 08 2015 22:11:08 -08:00 
> TRACE_LOG_DIR
>
>   !Flash: flash:   4  drwx       4096 Sep 08 2015 22:11:08 -08:00 
> CONFD_LOG_DIR
>
>   !Flash: flash:   5  drwx       4096 Sep 08 2015 22:11:08 -08:00 
> CORE_DUMP_DIR
>
>   !Flash: flash:   6  d---       4096 Sep 08 2015 22:11:08 -08:00 
> ADMIN_DIR
>
> Additionally, I think it was also mentioned somewhere on this list, 
> some of the output captured includes the RPM reading of the fans in 
> the chassis when checking the power supplies and it is comparing these 
> values which should be ignored.
>
> Here is an example of that:
>
> @@ -56,9 +56,9 @@
>
>   !Chassis: No Of MACs                 : 3
>
>   !Chassis: --  Power Supplies  --
>
>   !Chassis: Unit   Bay   Status Type    FanStatus   FanSpeed(rpm)
>
>   !Chassis:   1     1    up AC      up          10288
>
> - !Chassis:   1     2    up AC      up          10256
>
> + !Chassis:   1     2    up AC      up          10288
>
>   !Chassis: --  Fan  Status  --
>
>   !Chassis: 1           up
>
>   !Chassis: 1           up
>
>   !Chassis: 1           up
>
> Is there something I can change in f10rancid to have it ignore these 
> two things and can this be pushed into a future release? I’d be happy 
> to test anything against a myriad of Force10 gear I have.
>
> Thanks!
>
> -Vinny
>
>
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-- 
Doug Hughes
Keystone NAP
Fairless Hills, PA
1.844.KEYBLOCK (539.2562) 	

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