<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;"><div><br></div><div>Dear Online fans,</div><div><br></div><div> Minutes of today’s online meeting are posted at the following link and copied below.</div><div><br></div><div><a href="https://halldweb1.jlab.org/wiki/index.php/OWG_Meeting_29-Jul-2015">https://halldweb1.jlab.org/wiki/index.php/OWG_Meeting_29-Jul-2015</a></div><div><br></div><div><br></div><div><h1 style="background-image: none; 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: 24px; font-family: sans-serif; line-height: 19.049999237060547px;"><span class="mw-headline" id="Minutes">Minutes</span><span class="mw-editsection" style="-webkit-user-select: none; font-size: small; margin-left: 1em; vertical-align: baseline; line-height: 1em; display: inline-block;"><span class="mw-editsection-bracket">[</span><a href="https://halldweb1.jlab.org/wiki/index.php?title=OWG_Meeting_29-Jul-2015&action=edit§ion=5" title="Edit section: Minutes" style="text-decoration: none; color: rgb(90, 54, 150); background-image: none; background-position: initial initial; background-repeat: initial initial;">edit</a><span class="mw-editsection-bracket">]</span></span></h1><div style="margin: 0.4em 0px 0.5em; line-height: 19.049999237060547px; font-family: sans-serif; font-size: 13px;">Attendees: David L. (chair), Sergey F., Simon T., Beni Z., Bryan M., Carl T.</div><h2 style="background-image: none; 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: 19.049999237060547px;"><span class="mw-headline" id="Announcements">Announcements</span><span class="mw-editsection" style="-webkit-user-select: none; font-size: small; margin-left: 1em; vertical-align: baseline; line-height: 1em; display: inline-block;"><span class="mw-editsection-bracket">[</span><a href="https://halldweb1.jlab.org/wiki/index.php?title=OWG_Meeting_29-Jul-2015&action=edit§ion=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 class="mw-editsection-bracket">]</span></span></h2><ol style="line-height: 19.049999237060547px; margin: 0.3em 0px 0px 3.2em; padding: 0px; list-style-image: none; font-family: sans-serif; font-size: 13px;"><li style="margin-bottom: 0.1em;">gluon46<ul style="line-height: 1.5em; list-style-type: square; margin: 0.3em 0px 0px 1.6em; padding: 0px; list-style-image: url(data:image/gif;base64,R0lGODlhBQANAIAAAGOMnP///yH5BAEAAAEALAAAAAAFAA0AAAIJjI+pu+APo4SpADs=);"><li style="margin-bottom: 0.1em;">remains at RHEL7</li><li style="margin-bottom: 0.1em;">has not spontaneously rebooted for weeks</li><li style="margin-bottom: 0.1em;">will maintain (see next)</li></ul></li><li style="margin-bottom: 0.1em;">Conversion to RHEL7<ul style="line-height: 1.5em; list-style-type: square; margin: 0.3em 0px 0px 1.6em; padding: 0px; list-style-image: url(data:image/gif;base64,R0lGODlhBQANAIAAAGOMnP///yH5BAEAAAEALAAAAAAFAA0AAAIJjI+pu+APo4SpADs=);"><li style="margin-bottom: 0.1em;">The question continues to come up if/when we will move to RHEL7. Considerations are:<ol style="line-height: 1.5em; margin: 0.3em 0px 0px 3.2em; padding: 0px; list-style-image: none;"><li style="margin-bottom: 0.1em;">Would like it to coincide with Scientific Computing Farm upgrade if possible</li><li style="margin-bottom: 0.1em;">Will give us gcc 4.8 as default compiler which includes C++11 features by default</li><li style="margin-bottom: 0.1em;">Appears to solve spontaneous reboot problem seen on gluon46 (and less frequently on other computers)</li><li style="margin-bottom: 0.1em;">May solve other annoying issues of "too many windows" or upward dropping CODA menus.</li></ol></li><li style="margin-bottom: 0.1em;">Sandy in CC says there may be issue with Lustre filesystem version they are currently upgrading to and RHEL7. She will look into it.</li><li style="margin-bottom: 0.1em;">Earliest possible beam in Hall-D is Nov. or Dec. 2015. Any upgrade should happen at least 1 month in advance making the target date sometime in September.</li><li style="margin-bottom: 0.1em;">Upgrading ROCs to RHEL7<ul style="line-height: 1.5em; margin: 0.3em 0px 0px 1.6em; padding: 0px; list-style-image: url(data:image/gif;base64,R0lGODlhBQANAIAAAGOMnP///yH5BAEAAAEALAAAAAAFAA0AAAIJjI+pu+APo4SpADs=);"><li style="margin-bottom: 0.1em;">May give us larger DMA transfer sizes with new kernel (Bryan M. is looking into it)</li><li style="margin-bottom: 0.1em;">64bit OS</li><li style="margin-bottom: 0.1em;">May sacrifice current level of stability achieved with RHEL5 32bit</li></ul></li><li style="margin-bottom: 0.1em;">We are leaning against an upgrade of the ROCs at the moment due to the last bullet unless we can find a motivating factor</li></ul></li></ol><h2 style="background-image: none; 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: 19.049999237060547px;"><span class="mw-headline" id="RCDB_Deployment">RCDB Deployment</span><span class="mw-editsection" style="-webkit-user-select: none; font-size: small; margin-left: 1em; vertical-align: baseline; line-height: 1em; display: inline-block;"><span class="mw-editsection-bracket">[</span><a href="https://halldweb1.jlab.org/wiki/index.php?title=OWG_Meeting_29-Jul-2015&action=edit§ion=7" title="Edit section: RCDB Deployment" style="text-decoration: none; color: rgb(90, 54, 150); background-image: none; background-position: initial initial; background-repeat: initial initial;">edit</a><span class="mw-editsection-bracket">]</span></span></h2><ul style="line-height: 19.049999237060547px; list-style-type: square; margin: 0.3em 0px 0px 1.6em; padding: 0px; list-style-image: url(data:image/gif;base64,R0lGODlhBQANAIAAAGOMnP///yH5BAEAAAEALAAAAAAFAA0AAAIJjI+pu+APo4SpADs=); font-family: sans-serif; font-size: 13px;"><li style="margin-bottom: 0.1em;">System is basically deployed with the following exceptions:<ul style="line-height: 1.5em; list-style-type: square; margin: 0.3em 0px 0px 1.6em; padding: 0px; list-style-image: url(data:image/gif;base64,R0lGODlhBQANAIAAAGOMnP///yH5BAEAAAEALAAAAAAFAA0AAAIJjI+pu+APo4SpADs=);"><li style="margin-bottom: 0.1em;">Sean's scripts that insert EPICs values are not yet integrated with Sergey's. They either need to be set up to run at the appropriate CODA state transitions or their contents merged into Sergey's existing scripts.</li><li style="margin-bottom: 0.1em;">Human (i.e. web) interface is not up. Momentum stopped suddenly 1.5 weeks ago when a question came up about the connection URL that only Dmitry was in a position to answer. He has since been pulled away on another project and has yet to provide the necessary information. We probably need to try and proceed without him.</li></ul></li></ul><h2 style="background-image: none; 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: 19.049999237060547px;"><span class="mw-headline" id="DAQ">DAQ</span><span class="mw-editsection" style="-webkit-user-select: none; font-size: small; margin-left: 1em; vertical-align: baseline; line-height: 1em; display: inline-block;"><span class="mw-editsection-bracket">[</span><a href="https://halldweb1.jlab.org/wiki/index.php?title=OWG_Meeting_29-Jul-2015&action=edit§ion=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 class="mw-editsection-bracket">]</span></span></h2><ul style="line-height: 19.049999237060547px; list-style-type: square; margin: 0.3em 0px 0px 1.6em; padding: 0px; list-style-image: url(data:image/gif;base64,R0lGODlhBQANAIAAAGOMnP///yH5BAEAAAEALAAAAAAFAA0AAAIJjI+pu+APo4SpADs=); font-family: sans-serif; font-size: 13px;"><li style="margin-bottom: 0.1em;">F1TDC still has issues with running at high occupancy. Ed and Alex S. are working on the problem. This prevents us from running at very high rates.</li><li style="margin-bottom: 0.1em;">fADC125 does not handle running at high rate. Cody was going to provide Sergey with a firmware version that has a modified readout section. This has been written for the forthcoming firmware for the fADC125. The digitization part may not be functioning correctly, but at least high rate readout can be tested. Sergey has not received this intermediate firmware version yet.</li></ul><h2 style="background-image: none; 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: 19.049999237060547px;"><span class="mw-headline" id="Action_Items">Action Items</span><span class="mw-editsection" style="-webkit-user-select: none; font-size: small; margin-left: 1em; vertical-align: baseline; line-height: 1em; display: inline-block;"><span class="mw-editsection-bracket">[</span><a href="https://halldweb1.jlab.org/wiki/index.php?title=OWG_Meeting_29-Jul-2015&action=edit§ion=9" title="Edit section: Action Items" style="text-decoration: none; color: rgb(90, 54, 150); background-image: none; background-position: initial initial; background-repeat: initial initial;">edit</a><span class="mw-editsection-bracket">]</span></span></h2><ol style="line-height: 19.049999237060547px; margin: 0.3em 0px 0px 3.2em; padding: 0px; list-style-image: none; font-family: sans-serif; font-size: 13px;"><li style="margin-bottom: 0.1em;">Install/Merge Sean's RCDB scripts with the existing ones being run by the CODA system. (Sergey, Dave)</li><li style="margin-bottom: 0.1em;">Work with Marty to get the RCDB web interface up and working (Dave)</li></ol><div><br></div></div><div><br></div><div>Regards,</div><div>-David</div></body></html>