Re: [rancid] [PATCH] junos.pm: filter negative temperatures in ShowChassisEnvironment

I'm fairly certain -2 and below does work - but can't find evidence to support that presently.
I'll fire off a search in my outlook archive to grind away over lunch to confirm.

-----Original Message-----
From: Aaron Dudek [mailto:[email protected]] 
Sent: Wednesday, February 20, 2019 9:56 AM
To: Emille Blanc
Cc: Anderson, Charles R; [email protected]
Subject: Re: [rancid] [PATCH] junos.pm: filter negative temperatures in ShowChassisEnvironment

so -2 or lower works?

On Wed, Feb 20, 2019 at 12:37 PM Emille Blanc
<[email protected]> wrote:
>
> These are all from an EX2200-C-12T-2G's, running 12.3R12.4
> We're stuck at that release for the 2200-C's, as 15.x bricks them in our environment (TSB17138 does warn to not use 15.x).
>
> > I just saw your comment in the patch that N/A only appeared for a temperature in the range -1 to 0.
>
> Correct - last I dug into this, it only reports N/A at 0 (zero), and -1 degrees. It always struck me as an odd cosmetic.
>
> -----Original Message-----
> From: Rancid-discuss [mailto:[email protected]] On Behalf Of Anderson, Charles R
> Sent: Wednesday, February 20, 2019 9:20 AM
> To: [email protected]
> Subject: Re: [rancid] [PATCH] junos.pm: filter negative temperatures in ShowChassisEnvironment
>
> My example below WAS from an EX2200.  We have some others that always report -10 (even in toasty closets)--I wonder if that is off-scale low due to a sensor failure?  I have also seen N/A in 2016, but not lately.  What software version are you running?  We are running 12.3R12-S2 on this particular outdoor EX2200.  I can try to find out what version we were running in 2016 when we last saw N/A.  I just saw your comment in the patch that N/A only appeared for a temperature in the range -1 to 0.
>
> On Wed, Feb 20, 2019 at 08:54:39AM -0800, Emille Blanc wrote:
> > Ironically, we rely on RANCID to tell us when our cabinets get too cold on such devices.
> > Mostly because our NMS is hopeless, and can't do it (Enterprise! Closed source!), so it never occurred to me to submit a patch for this.
> >
> > However, some devices (namely, EX2200's) don't understand zero, or sub-zero degrees and report it as N/A.
> > I've attached a patch to cover this circumstance.
> >
> >   # Class Item                           Status
> >   # Power FPC 0 Power Supply 0           OK
> >   # Temp  FPC 0 GEPHY1                   OK
> > - #       FPC 0 GEPHY2                   OK         N/A
> > + #       FPC 0 GEPHY2                   OK
> >   #       FPC 0 GEPHY3                   OK
> >   #       FPC 0 GEPHY4                   OK
> >   #
> >
> > -----Original Message-----
> > From: Rancid-discuss [mailto:[email protected]] On Behalf Of Anderson, Charles R
> > Sent: Tuesday, February 19, 2019 6:50 AM
> > To: [email protected]
> > Subject: [rancid] [PATCH] junos.pm: filter negative temperatures in ShowChassisEnvironment
> >
> > One of our switches is in an outdoor cabinet.  It gets below 0 sometimes so we see output like this:
> >
> >   # Temp  FPC 0 GEPHY1                   OK
> >   #       FPC 0 GEPHY2                   OK
> >   #       FPC 0 GEPHY3                   OK
> > - #       FPC 0 GEPHY4                   OK         -5 degrees C / 23 degrees F
> > + #       FPC 0 GEPHY4                   OK
> >   #
> >
> > The attached patch fixes ShowChassisEnvironment so it matches the - sign.
>
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