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<p class="MsoNormal">Omar, what ioc’s were you having trouble with?<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">-- <o:p></o:p></p>
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<p class="MsoNormal">Brad Cumbia<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Accelerator Network Engineer<o:p></o:p></p>
<p class="MsoNormal">Accelerator SysAdmin Group<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Thomas Jefferson National Accelerator Facility<o:p></o:p></p>
<p class="MsoNormal">12000 Jefferson Avenue<o:p></o:p></p>
<p class="MsoNormal">Newport News, Virginia 23606<o:p></o:p></p>
<p class="MsoNormal">Phone (757)269-5839<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><b><span style="font-size:12.0pt;color:black">From:
</span></b><span style="font-size:12.0pt;color:black">Ace <ace-bounces@jlab.org> on behalf of Michele Joyce <erb@jlab.org><br>
<b>Date: </b>Tuesday, September 7, 2021 at 10:26 AM<br>
<b>To: </b>Gary Croke <gcroke@jlab.org>, Omar Garza <garza@jlab.org>, Theo Larrieu <theo@jlab.org>, ace@jlab.org <ace@jlab.org>, controls_dept@jlab.org <controls_dept@jlab.org><br>
<b>Subject: </b>Re: [Ace] Network timeouts being reported from various applications -- feels ominous.<o:p></o:p></span></p>
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<p class="MsoNormal">Is anything machine dependent?<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><b><span style="font-size:12.0pt;color:black">From:
</span></b><span style="font-size:12.0pt;color:black">Controls_dept <controls_dept-bounces@jlab.org> on behalf of Gary Croke <gcroke@jlab.org><br>
<b>Date: </b>Sunday, September 5, 2021 at 11:09 AM<br>
<b>To: </b>Omar Garza <garza@jlab.org>, Theo Larrieu <theo@jlab.org>, ace@jlab.org <ace@jlab.org>, controls_dept@jlab.org <controls_dept@jlab.org><br>
<b>Subject: </b>Re: [Controls_dept] Network timeouts being reported from various applications -- feels ominous.</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black">What's the suspicion? Has there been a big uptick in network traffic recently, or have we gradually been approaching some limit? Or just some failing hardware somewhere?</span><o:p></o:p></p>
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<p class="MsoNormal"><b><span style="color:black">From:</span></b><span style="color:black"> Controls_dept <controls_dept-bounces@jlab.org> on behalf of Omar Garza <garza@jlab.org><br>
<b>Sent:</b> Saturday, September 4, 2021 7:58 PM<br>
<b>To:</b> Theo Larrieu <theo@jlab.org>; ace@jlab.org <ace@jlab.org>; controls_dept@jlab.org <controls_dept@jlab.org><br>
<b>Subject:</b> Re: [Controls_dept] Network timeouts being reported from various applications -- feels ominous.</span>
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<p class="MsoNormal"><span style="font-family:"Arial",sans-serif;color:black">This nay also be related
</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-family:"Arial",sans-serif;color:black">In the past weeks, we have also performed hard reboots on iocs with multiple tries failing to complete network connections .</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-family:"Arial",sans-serif;color:black">2-3 hard reboots to succeed.</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-family:"Arial",sans-serif;color:black">Omar</span><o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">Sent from my Verizon, Samsung Galaxy smartphone<br>
Get <a href="https://aka.ms/AAb9ysg">Outlook for Android</a><o:p></o:p></p>
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<p class="MsoNormal"><b><span style="color:black">From:</span></b><span style="color:black"> Ace <ace-bounces@jlab.org> on behalf of Theo Larrieu <theo@jlab.org><br>
<b>Sent:</b> Friday, September 3, 2021 5:27:32 PM<br>
<b>To:</b> ace@jlab.org <ace@jlab.org>; controls_dept@jlab.org <controls_dept@jlab.org><br>
<b>Subject:</b> [Ace] Network timeouts being reported from various applications -- feels ominous.</span>
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<p class="xxmsonormal"> <o:p></o:p></p>
<p class="xxmsonormal">Observing that in the past 24 hours there have been several seemingly unrelated applications having trouble making connections to EPICS signals.<o:p></o:p></p>
<p class="xxmsonormal"> <o:p></o:p></p>
<p class="xxmsonormal">Cavity History<o:p></o:p></p>
<p class="xxmsonormal"><a href="https://logbooks.jlab.org/entry/3900743">https://logbooks.jlab.org/entry/3900743</a><o:p></o:p></p>
<p class="xxmsonormal"> <o:p></o:p></p>
<p class="xxmsonormal">FOPT<o:p></o:p></p>
<p class="xxmsonormal"><a href="https://logbooks.jlab.org/entry/3900317">https://logbooks.jlab.org/entry/3900317</a><o:p></o:p></p>
<p class="xxmsonormal"> <o:p></o:p></p>
<p class="xxmsonormal">myRestore<o:p></o:p></p>
<p class="xxmsonormal"><a href="https://logbooks.jlab.org/entry/3900705">https://logbooks.jlab.org/entry/3900705</a><o:p></o:p></p>
<p class="xxmsonormal"> <o:p></o:p></p>
<p class="xxmsonormal">It might be wise to start looking for signs of distress in name server, softIOC hosts, network switches, etc.<o:p></o:p></p>
<p class="xxmsonormal"> <o:p></o:p></p>
<p class="xxmsonormal">-Theo<o:p></o:p></p>
<p class="xxmsonormal"> <o:p></o:p></p>
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