<html><head><meta http-equiv="Content-Type" content="text/html charset=windows-1252"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;">Hi All,<div><br></div><div> Minutes from today’s online meeting are no posted on the meeting page and copied below. Please make any corrections to the wiki page.</div><div><br></div><div><a href="https://halldweb1.jlab.org/wiki/index.php/OWG_Meeting_10-Sep-2014">https://halldweb1.jlab.org/wiki/index.php/OWG_Meeting_10-Sep-2014</a></div><div><br></div><div>Regards,</div><div>-David</div><div><br></div><div><br></div><div><div style="margin: 0.4em 0px 0.5em; line-height: 19px; font-family: sans-serif; font-size: 13px; background-color: rgb(255, 255, 255);">Attendees: Alex S., Bryan M., David L., Simon T., Sergey F., Curtis M., Hovanes E., Dave A., Sergeui P., Beni Z.</div><h2 style="background-image: none; background-color: rgb(255, 255, 255); font-weight: normal; margin: 0px 0px 0.6em; overflow: hidden; padding-top: 0.5em; padding-bottom: 0.17em; border-bottom-width: 1px; border-bottom-style: solid; border-bottom-color: rgb(170, 170, 170); font-size: 19px; font-family: sans-serif; line-height: 19px;"><span class="editsection" style="float: right; margin-left: 5px; font-size: 13px;">[<a href="https://halldweb1.jlab.org/wiki/index.php?title=OWG_Meeting_10-Sep-2014&action=edit&section=6" title="Edit section: Announcements" style="text-decoration: none; color: rgb(90, 54, 150); background-image: none; background-position: initial initial; background-repeat: initial initial;">edit</a>]</span><span class="mw-headline" id="Announcements">Announcements</span></h2><ul style="line-height: 19px; list-style-type: square; margin: 0.3em 0px 0px 1.5em; padding: 0px; list-style-image: url(https://halldweb1.jlab.org/wiki/skins/monobook/bullet.gif); font-family: sans-serif; font-size: 13px; background-color: rgb(255, 255, 255);"><li style="margin-bottom: 0.1em;">There was a power outage in the counting house today. The power is now back on. Cause is unknown. It is also unknown which if any gluon machines were affected since they should mostly be on UPS.</li></ul><h2 style="background-image: none; background-color: rgb(255, 255, 255); font-weight: normal; margin: 0px 0px 0.6em; overflow: hidden; padding-top: 0.5em; padding-bottom: 0.17em; border-bottom-width: 1px; border-bottom-style: solid; border-bottom-color: rgb(170, 170, 170); font-size: 19px; font-family: sans-serif; line-height: 19px;"><span class="editsection" style="float: right; margin-left: 5px; font-size: 13px;">[<a href="https://halldweb1.jlab.org/wiki/index.php?title=OWG_Meeting_10-Sep-2014&action=edit&section=7" title="Edit section: Trigger" style="text-decoration: none; color: rgb(90, 54, 150); background-image: none; background-position: initial initial; background-repeat: initial initial;">edit</a>]</span><span class="mw-headline" id="Trigger">Trigger</span></h2><ul style="line-height: 19px; list-style-type: square; margin: 0.3em 0px 0px 1.5em; padding: 0px; list-style-image: url(https://halldweb1.jlab.org/wiki/skins/monobook/bullet.gif); font-family: sans-serif; font-size: 13px; background-color: rgb(255, 255, 255);"><li style="margin-bottom: 0.1em;">Reinstalled 22 CTP boards after replacing thermal pads<ul style="line-height: 1.5em; list-style-type: square; margin: 0.3em 0px 0px 1.5em; padding: 0px; list-style-image: url(https://halldweb1.jlab.org/wiki/skins/monobook/bullet.gif);"><li style="margin-bottom: 0.1em;">Still have some funny issues with temperature monitoring on a couple of the FPGAs</li><li style="margin-bottom: 0.1em;">Chips did not seem too warm to the touch so we don't think anything is being damaged</li></ul></li><li style="margin-bottom: 0.1em;">Currently have 2 algorithms running on GTP<ul style="line-height: 1.5em; list-style-type: square; margin: 0.3em 0px 0px 1.5em; padding: 0px; list-style-image: url(https://halldweb1.jlab.org/wiki/skins/monobook/bullet.gif);"><li style="margin-bottom: 0.1em;">BCAL north cosmic trigger has been tested and is working</li><li style="margin-bottom: 0.1em;">Ran at ~200Hz for >20hrs</li></ul></li><li style="margin-bottom: 0.1em;">Next step is to get full BCAL trigger working. After that, TD's will all be moved into a single TS crate</li><li style="margin-bottom: 0.1em;">Trigger commissioning plan is under development<ul style="line-height: 1.5em; list-style-type: square; margin: 0.3em 0px 0px 1.5em; padding: 0px; list-style-image: url(https://halldweb1.jlab.org/wiki/skins/monobook/bullet.gif);"><li style="margin-bottom: 0.1em;">Will come after the photon beam is established in the overall commissioning plan.</li></ul></li><li style="margin-bottom: 0.1em;">Tagger microscope will be moving into Tagger Hall next Friday.<ul style="line-height: 1.5em; list-style-type: square; margin: 0.3em 0px 0px 1.5em; padding: 0px; list-style-image: url(https://halldweb1.jlab.org/wiki/skins/monobook/bullet.gif);"><li style="margin-bottom: 0.1em;">Do not plan to have tagger electronics in hall during commissioning.</li></ul></li></ul><h2 style="background-image: none; background-color: rgb(255, 255, 255); font-weight: normal; margin: 0px 0px 0.6em; overflow: hidden; padding-top: 0.5em; padding-bottom: 0.17em; border-bottom-width: 1px; border-bottom-style: solid; border-bottom-color: rgb(170, 170, 170); font-size: 19px; font-family: sans-serif; line-height: 19px;"><span class="editsection" style="float: right; margin-left: 5px; font-size: 13px;">[<a href="https://halldweb1.jlab.org/wiki/index.php?title=OWG_Meeting_10-Sep-2014&action=edit&section=8" title="Edit section: DAQ" style="text-decoration: none; color: rgb(90, 54, 150); background-image: none; background-position: initial initial; background-repeat: initial initial;">edit</a>]</span><span class="mw-headline" id="DAQ">DAQ</span></h2><ul style="line-height: 19px; list-style-type: square; margin: 0.3em 0px 0px 1.5em; padding: 0px; list-style-image: url(https://halldweb1.jlab.org/wiki/skins/monobook/bullet.gif); font-family: sans-serif; font-size: 13px; background-color: rgb(255, 255, 255);"><li style="margin-bottom: 0.1em;">Still waiting to test full system (need all TD's in single TS crate)</li><li style="margin-bottom: 0.1em;">Currently expect to run up to 8kHz and testing so far indicates this should not be a problem</li><li style="margin-bottom: 0.1em;">Preparing OpenSUSE node (gluon49) to test newest Linux kernel for DAQ system crashes<ul style="line-height: 1.5em; list-style-type: square; margin: 0.3em 0px 0px 1.5em; padding: 0px; list-style-image: url(https://halldweb1.jlab.org/wiki/skins/monobook/bullet.gif);"><li style="margin-bottom: 0.1em;">This will likely be done during the large scale DAQ system testing tomorrow</li></ul></li><li style="margin-bottom: 0.1em;">CODA 3.02 is n final testing stages. Could be ready for use in Hall-D as early as tomorrow<ul style="line-height: 1.5em; list-style-type: square; margin: 0.3em 0px 0px 1.5em; padding: 0px; list-style-image: url(https://halldweb1.jlab.org/wiki/skins/monobook/bullet.gif);"><li style="margin-bottom: 0.1em;">Will also be installed in /site once it is ready</li><li style="margin-bottom: 0.1em;">Potential performance improvements are likely to push up the current 8kHz limit</li><li style="margin-bottom: 0.1em;">Several bug fixes including the one that causes crashes in the secondary ROL at end of run</li></ul></li><li style="margin-bottom: 0.1em;">A graphical monitoring program "daqmon" has been developed<ul style="line-height: 1.5em; list-style-type: square; margin: 0.3em 0px 0px 1.5em; padding: 0px; list-style-image: url(https://halldweb1.jlab.org/wiki/skins/monobook/bullet.gif);"><li style="margin-bottom: 0.1em;">Presents histograms generated on ROCs</li><li style="margin-bottom: 0.1em;">Uses dedicated communication mechanism in addition to RootSpy's cMsg based system<ul style="line-height: 1.5em; margin: 0.3em 0px 0px 1.5em; padding: 0px; list-style-image: url(https://halldweb1.jlab.org/wiki/skins/monobook/bullet.gif);"><li style="margin-bottom: 0.1em;">Allows for faster updates for some complex displays where greater than 1Hz update rate is desired</li></ul></li></ul></li></ul><h2 style="background-image: none; background-color: rgb(255, 255, 255); font-weight: normal; margin: 0px 0px 0.6em; overflow: hidden; padding-top: 0.5em; padding-bottom: 0.17em; border-bottom-width: 1px; border-bottom-style: solid; border-bottom-color: rgb(170, 170, 170); font-size: 19px; font-family: sans-serif; line-height: 19px;"><span class="editsection" style="float: right; margin-left: 5px; font-size: 13px;">[<a href="https://halldweb1.jlab.org/wiki/index.php?title=OWG_Meeting_10-Sep-2014&action=edit&section=9" title="Edit section: Monitoring" style="text-decoration: none; color: rgb(90, 54, 150); background-image: none; background-position: initial initial; background-repeat: initial initial;">edit</a>]</span><span class="mw-headline" id="Monitoring">Monitoring</span></h2><ul style="line-height: 19px; list-style-type: square; margin: 0.3em 0px 0px 1.5em; padding: 0px; list-style-image: url(https://halldweb1.jlab.org/wiki/skins/monobook/bullet.gif); font-family: sans-serif; font-size: 13px; background-color: rgb(255, 255, 255);"><li style="margin-bottom: 0.1em;">Start.stop scripts are now ready and need testing with DAQ system<ul style="line-height: 1.5em; list-style-type: square; margin: 0.3em 0px 0px 1.5em; padding: 0px; list-style-image: url(https://halldweb1.jlab.org/wiki/skins/monobook/bullet.gif);"><li style="margin-bottom: 0.1em;">Starts/Kills monitoring processes on multiple remote computers</li><li style="margin-bottom: 0.1em;">Supports multiple monitoring levels (occupancy, reconstruction,...)</li><li style="margin-bottom: 0.1em;">GUI has been built that presents integrated rates and lists active nodes.<ul style="line-height: 1.5em; margin: 0.3em 0px 0px 1.5em; padding: 0px; list-style-image: url(https://halldweb1.jlab.org/wiki/skins/monobook/bullet.gif);"><li style="margin-bottom: 0.1em;">Can be used to start and stop monitoring processes, but usually that should be done by DAQ system</li></ul></li></ul></li></ul><h2 style="background-image: none; background-color: rgb(255, 255, 255); font-weight: normal; margin: 0px 0px 0.6em; overflow: hidden; padding-top: 0.5em; padding-bottom: 0.17em; border-bottom-width: 1px; border-bottom-style: solid; border-bottom-color: rgb(170, 170, 170); font-size: 19px; font-family: sans-serif; line-height: 19px;"><span class="editsection" style="float: right; margin-left: 5px; font-size: 13px;">[<a href="https://halldweb1.jlab.org/wiki/index.php?title=OWG_Meeting_10-Sep-2014&action=edit&section=10" title="Edit section: Controls" style="text-decoration: none; color: rgb(90, 54, 150); background-image: none; background-position: initial initial; background-repeat: initial initial;">edit</a>]</span><span class="mw-headline" id="Controls">Controls</span></h2><ul style="line-height: 19px; list-style-type: square; margin: 0.3em 0px 0px 1.5em; padding: 0px; list-style-image: url(https://halldweb1.jlab.org/wiki/skins/monobook/bullet.gif); font-family: sans-serif; font-size: 13px; background-color: rgb(255, 255, 255);"><li style="margin-bottom: 0.1em;">Vanik and Nerses finished with the Voltage Control Apps.<ul style="line-height: 1.5em; list-style-type: square; margin: 0.3em 0px 0px 1.5em; padding: 0px; list-style-image: url(https://halldweb1.jlab.org/wiki/skins/monobook/bullet.gif);"><li style="margin-bottom: 0.1em;">Not all of them have been tested by the detector groups yet</li></ul></li><li style="margin-bottom: 0.1em;">Next focus is on the motor apps which will include the harp scan software</li><li style="margin-bottom: 0.1em;">Work has started on readout of 2 Beam Position Monitors<ul style="line-height: 1.5em; list-style-type: square; margin: 0.3em 0px 0px 1.5em; padding: 0px; list-style-image: url(https://halldweb1.jlab.org/wiki/skins/monobook/bullet.gif);"><li style="margin-bottom: 0.1em;">First attempt tried to port existing software from VxWorks to Linux. This proved more complex than first anticipated</li><li style="margin-bottom: 0.1em;">Reverted to using VxWorks where driver for Struck VME scalers already exist.</li></ul></li><li style="margin-bottom: 0.1em;">Hovanes has been working with Mark Ito on the alarm system.<ul style="line-height: 1.5em; list-style-type: square; margin: 0.3em 0px 0px 1.5em; padding: 0px; list-style-image: url(https://halldweb1.jlab.org/wiki/skins/monobook/bullet.gif);"><li style="margin-bottom: 0.1em;">Alarm system configuration can be dumped into an XML file and read back in</li></ul></li></ul><h2 style="background-image: none; background-color: rgb(255, 255, 255); font-weight: normal; margin: 0px 0px 0.6em; overflow: hidden; padding-top: 0.5em; padding-bottom: 0.17em; border-bottom-width: 1px; border-bottom-style: solid; border-bottom-color: rgb(170, 170, 170); font-size: 19px; font-family: sans-serif; line-height: 19px;"><span class="editsection" style="float: right; margin-left: 5px; font-size: 13px;">[<a href="https://halldweb1.jlab.org/wiki/index.php?title=OWG_Meeting_10-Sep-2014&action=edit&section=11" title="Edit section: DAQ Config. Parameters in Data Stream" style="text-decoration: none; color: rgb(90, 54, 150); background-image: none; background-position: initial initial; background-repeat: initial initial;">edit</a>]</span><span class="mw-headline" id="DAQ_Config._Parameters_in_Data_Stream">DAQ Config. Parameters in Data Stream</span></h2><ul style="line-height: 19px; list-style-type: square; margin: 0.3em 0px 0px 1.5em; padding: 0px; list-style-image: url(https://halldweb1.jlab.org/wiki/skins/monobook/bullet.gif); font-family: sans-serif; font-size: 13px; background-color: rgb(255, 255, 255);"><li style="margin-bottom: 0.1em;">David presented a scheme for implementing some DAQ configuration parameters into the data stream</li><li style="margin-bottom: 0.1em;">System defines an EVIO bank that will be written out by each crate for each DAQ event</li><li style="margin-bottom: 0.1em;">Initial estimate is roughly 1kB per DAQ event or about a 5% increase for a 19.4kB event size</li><li style="margin-bottom: 0.1em;">If in multi-event block mode, percentage decreases (should be O(0.1%) for high rate running)</li></ul><div><br></div></div></body></html>