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What you need is a network monitoring system that supports
thresholds. The problem with doing this with rancid is that you
probably don't run it often enough to see changes when they happen,
and you don't know that when you run it you'll be at an outlying
temperature.<br>
<br>
Say run #1 happens at 6:00pm and the temperature is 25C, run #2
happens at 8:00pm and the temperature is 35C. That's perfect, but
what happens if there is an incremental climb through the afternoon
and you get 28C, then 32C, then 35C?<br>
<br>
<br>
<div class="moz-cite-prefix">On 11/19/2014 11:48 PM, Peter Jackson
wrote:<br>
</div>
<blockquote
cite="mid:CAN9M5ub5sr3++d0_yF9nB59PJtZQ9F4QtYCvLqKHzhD0xXoUgw@mail.gmail.com"
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<div>
<div>Frank,<br>
<br>
</div>
I believe Wayne would like to keep the command output but
only record a change if the variable differs by a set
amount.<br>
<br>
</div>
So in Wayne's example we want RANCID to record a different
temperature only if it was 10 degrees higher or lower than the
last RANCID run.<br>
<br>
</div>
You wouldn't see this diff:<br>
<div>
<p class="MsoNormal">- ! External
Temperature............................. +25 C</p>
<p class="MsoNormal">+ ! External
Temperature............................. +30 C</p>
<br>
</div>
<div>But you would see this one:<br>
</div>
<div>
<p class="MsoNormal">- ! External
Temperature............................. +25 C</p>
<p class="MsoNormal">+ ! External
Temperature............................. +35 C</p>
<br>
</div>
<div>We have removed a lot of command output for just this
reason - because it sends too many diffs to be useful. But
having something like what Wayne suggests would be really nice
and we would be able to add those commands back to RANCID
without getting all of the insignificant diffs.<br>
<br>
</div>
<div>Peter<br>
</div>
<div>
<div><br>
<br>
</div>
</div>
</div>
<div class="gmail_extra"><br>
<div class="gmail_quote">On Wed, Nov 19, 2014 at 6:48 PM, Frank
Bulk <span dir="ltr"><<a moz-do-not-send="true"
href="mailto:frnkblk@iname.com" target="_blank">frnkblk@iname.com</a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">
<div link="#0563C1" vlink="#954F72" lang="EN-US">
<div>
<p class="MsoNormal"><span style="color:#1f497d">Just
update the relevant script to ignore those lines.</span></p>
<p class="MsoNormal"><span style="color:#1f497d"> </span></p>
<p class="MsoNormal"><span style="color:#1f497d">Frank</span></p>
<p class="MsoNormal"><span style="color:#1f497d"> </span></p>
<div>
<div style="border:none;border-top:solid #e1e1e1
1.0pt;padding:3.0pt 0in 0in 0in">
<p class="MsoNormal"><b>From:</b> Rancid-discuss
[mailto:<a moz-do-not-send="true"
href="mailto:rancid-discuss-bounces@shrubbery.net"
target="_blank">rancid-discuss-bounces@shrubbery.net</a>]
<b>On Behalf Of </b>Wayne Eisenberg<br>
<b>Sent:</b> Wednesday, November 19, 2014 5:09 PM<br>
<b>To:</b> '<a moz-do-not-send="true"
href="mailto:rancid-discuss@shrubbery.net"
target="_blank">rancid-discuss@shrubbery.net</a>'<br>
<b>Subject:</b> [rancid] eliminating noise</p>
</div>
</div>
<div>
<div class="h5">
<p class="MsoNormal"> </p>
<div>
<p class="MsoNormal">Hey all,</p>
<p class="MsoNormal"> </p>
<p class="MsoNormal">Does anyone have any ideas on
how we can modify rancid to ignore minor
differences in things like fan speed and
temperature? See the below:</p>
<p class="MsoNormal"> </p>
<p class="MsoNormal">- ! External
Temperature............................. +29 C</p>
<p class="MsoNormal">+ ! External
Temperature............................. +28 C</p>
<p class="MsoNormal"> </p>
<p class="MsoNormal">- ! Fan
Status.......................................
3432 rpm</p>
<p class="MsoNormal">+ ! Fan
Status.......................................
3301 rpm</p>
<p class="MsoNormal"> </p>
<p class="MsoNormal">These two items create a lot
of noise. The temperature changes by 1 or 2
degrees – very insignificant, but it gets caught
by diff. The same with the fan speed. Any
character change trips the diff. +/- 10% or
greater is a more reasonable change to note. But
I don’t know how to modify the scripts to do
that comparison. Any ideas?</p>
<p class="MsoNormal"> </p>
<p class="MsoNormal">Thanks,</p>
<p class="MsoNormal">Wayne</p>
<p class="MsoNormal"> </p>
<p class="MsoNormal"> </p>
</div>
<p class="MsoNormal"><span
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