<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">Hi Matt -<div class=""><br class=""></div><div class=""> I think that is few times better than what we do with a 1GB for the last 200 feet or so,</div><div class=""><br class=""></div><div class="">Curtis<br class=""><div class="">
<span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><div class=""><div class="">---------</div><div class="">Curtis A. Meyer<span class="Apple-tab-span" style="white-space: pre; "> </span>MCS Associate Dean for Faculty and Graduate Affairs</div><div class="">Wean: (412) 268-2745<span class="Apple-tab-span" style="white-space: pre; "> </span>Professor of Physics</div><div class="">Doherty: (412) 268-3090<span class="Apple-tab-span" style="white-space: pre; "> </span>Carnegie Mellon University</div><div class="">Fax: (412) 681-0648<span class="Apple-tab-span" style="white-space: pre; "> </span>Pittsburgh, PA 15213</div><div class=""><a href="mailto:curtis.meyer@cmu.edu" class="">curtis.meyer@cmu.edu</a><span class="Apple-tab-span" style="white-space: pre; "> </span>http://www.curtismeyer.com/</div></div><div class=""><br class=""></div></span><br class="Apple-interchange-newline">
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<br class=""><div><blockquote type="cite" class=""><div class="">On May 16, 2016, at 2:23 PM, Shepherd, Matthew <<a href="mailto:mashephe@indiana.edu" class="">mashephe@indiana.edu</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div class=""><br class="">Hi Sandy,<br class=""><br class="">(cc'ed to offline list in case anyone also cares about this topic or has input.)<br class=""><br class="">I copied about 10 TB of GlueX data (a calibration skim) from JLab to our machine here at Indiana. I used the web-based globus-connect system. <br class=""><br class="">The source at JLab was:<br class=""><br class="">expphy/cache/halld/home/gxproj3/calib/GlueX-CalibRun-2016-04-04/<br class=""><br class="">The transfer took about 2.5 days (5/12 - 5/14) and when complete I had averaged 49 MB/s.<br class=""><br class="">49 MB/s (roughly 400 Mb/s) is not too shabby, but I'd like to know what you think we might be able to get going offsite.<br class=""><br class="">Here, we've got 10 gigabit everywhere: fiber coming into a switch and then into 10 gigabit interface cards. Some informal local testing has produced speeds in the neighborhood of about 3-4 Gb/s, roughly ten times what I got from JLab. However, that doesn't necessarily rule out a bottleneck somewhere outside the lab.<br class=""><br class="">The transfer rate is acceptable, but I thought I'd ask in case there is some obvious things we can do to get a few factors speed up. <br class=""><br class="">Matt<br class=""><br class="">---------------------------------------------------------------------<br class="">Matthew Shepherd, Associate Professor<br class="">Department of Physics, Indiana University, Swain West 265<br class="">727 East Third Street, Bloomington, IN 47405<br class=""><br class="">Office Phone: +1 812 856 5808<br class=""><br class=""><br class="">_______________________________________________<br class="">Halld-offline mailing list<br class=""><a href="mailto:Halld-offline@jlab.org" class="">Halld-offline@jlab.org</a><br class="">https://mailman.jlab.org/mailman/listinfo/halld-offline<br class=""><br class=""></div></div></blockquote></div><br class=""></div></body></html>