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From: Kumar Thangavel <thangavel.k@hcl.com>
To: "openbmc@lists.ozlabs.org" <openbmc@lists.ozlabs.org>
Subject: RE: Queries in phosphor-pid-control(swampd)
Thread-Topic: Queries in phosphor-pid-control(swampd)
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Classification: Internal
Hi All,

      Gentle Remainder !

       Could you please provide your inputs on this.

Thanks,
Kumar.

From: Kumar Thangavel
Sent: Thursday, November 5, 2020 5:52 PM
To: openbmc@lists.ozlabs.org
Cc: Patrick Venture <venture@google.com>; Josh Lehan <krellan@google.com>; =
Velumani T-ERS,HCLTech <velumanit@hcl.com>; Vijay Khemka <vijaykhemka@fb.co=
m>; Patrick Williams <patrickw3@fb.com>; sdasari@fb.com
Subject: Queries in phosphor-pid-control(swampd)

Classification: Internal
Hi All,

      Does the current phosphor-pid-control handled the fan failures or if =
fan values is 0 ?  Looks like, it ignores the fan values is 0 case.
      Could you please clarify me, how the fan(single/both) failures handle=
d. if both fan failures, Do we need to power off the chassis or need to do =
power sled cycle ?

Thanks,
Kumar.
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<div class=3D"WordSection1">
<p class=3D"MsoNormal" style=3D"margin-bottom:12.0pt">Classification: <b><s=
pan style=3D"color:#08298A">Internal</span></b><span style=3D"font-size:12.=
0pt"><o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D">Hi All,<o:p></o:p></sp=
an></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D"><o:p>&nbsp;</o:p></spa=
n></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D">&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;Gentle Remainder !<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D"><o:p>&nbsp;</o:p></spa=
n></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D">&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp; Could you please provide your inputs on this.<o:p></o:p></sp=
an></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D"><o:p>&nbsp;</o:p></spa=
n></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D">Thanks,<o:p></o:p></sp=
an></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D">Kumar.<o:p></o:p></spa=
n></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D"><o:p>&nbsp;</o:p></spa=
n></p>
<div>
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0in 0in">
<p class=3D"MsoNormal"><a name=3D"_____replyseparator"></a><b>From:</b> Kum=
ar Thangavel
<br>
<b>Sent:</b> Thursday, November 5, 2020 5:52 PM<br>
<b>To:</b> openbmc@lists.ozlabs.org<br>
<b>Cc:</b> Patrick Venture &lt;venture@google.com&gt;; Josh Lehan &lt;krell=
an@google.com&gt;; Velumani T-ERS,HCLTech &lt;velumanit@hcl.com&gt;; Vijay =
Khemka &lt;vijaykhemka@fb.com&gt;; Patrick Williams &lt;patrickw3@fb.com&gt=
;; sdasari@fb.com<br>
<b>Subject:</b> Queries in phosphor-pid-control(swampd)<o:p></o:p></p>
</div>
</div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal" style=3D"margin-bottom:12.0pt">Classification: <b><s=
pan style=3D"color:#08298A">Internal</span></b><span style=3D"font-size:12.=
0pt"><o:p></o:p></span></p>
<p class=3D"MsoNormal">Hi All,<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Does the current phos=
phor-pid-control handled the fan failures or if fan values is 0 ?&nbsp; Loo=
ks like, it ignores the fan values is 0 case.
<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Could you please=
 clarify me, how the fan(single/both) failures handled. if both fan failure=
s, Do we need to power off the chassis or need to do power sled cycle ?<o:p=
></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Thanks,<o:p></o:p></p>
<p class=3D"MsoNormal">Kumar.<o:p></o:p></p>
</div>
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