<div dir="ltr"><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;color:#444444">Hi, <br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;color:#444444"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;color:#444444">After some discussion over the weekend on the impact of a 2 week shutdown on lab activities, it was decided that maintenance of the substations will be staged. As a result, the building housing all scientific computing will remain on and <b>all computing services will be available </b>during the <span class="" style="" id=":2h8.1" tabindex="-1">SLAC</span> winter shutdown. </div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;color:#444444"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;color:#444444">Best, <br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;color:#444444"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;color:#444444">--Omar Moreno<br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, Dec 6, 2019 at 11:31 PM Omar Moreno <<a href="mailto:email@omarmoreno.net" target="_blank">email@omarmoreno.net</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;color:rgb(68,68,68)">Hi, <br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;color:rgb(68,68,68)"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;color:rgb(68,68,68)"><span id="gmail-m_7365668866696948467gmail-m_5410891628982725529gmail-m_6611229649237611524:26m.1">SLAC</span> is planning to perform preventive maintenance of two substations during the winter shutdown one of which distributes power to the building housing all scientific computing. The planned shutdown is set to begin the evening of December 20th and will last through January 6th. During this time, nearly all computing services will be unavailable including the <span id="gmail-m_7365668866696948467gmail-m_5410891628982725529gmail-m_6611229649237611524:26m.2">login</span> nodes (e.g. rhel6-64), batch nodes, <span id="gmail-m_7365668866696948467gmail-m_5410891628982725529gmail-m_6611229649237611524:26m.3">nfs</span> and <span id="gmail-m_7365668866696948467gmail-m_5410891628982725529gmail-m_6611229649237611524:26m.4">gpfs</span>. Backup generators will be used to keep some essential services up during the shutdown including email. <br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;color:rgb(68,68,68)"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;color:rgb(68,68,68)">The backup generators will be tested during the week of December 16 and will cause an interruption of all computing services for a few hours. As soon as the date becomes concrete, I will forward along the details. <br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;color:rgb(68,68,68)"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;color:rgb(68,68,68)">Best, <br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;color:rgb(68,68,68)"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;color:rgb(68,68,68)">--Omar Moreno<br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;color:rgb(68,68,68)"> <br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;color:rgb(68,68,68)"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;color:rgb(68,68,68)"><br></div><br></div>
</blockquote></div>