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<p class="MsoNormal"><span style="font-size:11.0pt">Looks like its also moved to a unified installer … i.e. no separate download for protocols anymore.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Simon<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<div style="border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm">
<p class="MsoNormal"><b><span style="color:black">From: </span></b><span style="color:black"><gpfsug-discuss-bounces@spectrumscale.org> on behalf of "Robert.Oesterlin@nuance.com" <Robert.Oesterlin@nuance.com><br>
<b>Reply-To: </b>"gpfsug-discuss@spectrumscale.org" <gpfsug-discuss@spectrumscale.org><br>
<b>Date: </b>Friday, 14 September 2018 at 20:37<br>
<b>To: </b>"gpfsug-discuss@spectrumscale.org" <gpfsug-discuss@spectrumscale.org><br>
<b>Subject: </b>[gpfsug-discuss] FYI - Spectrum Scale 5.0.2 Available<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
</div>
<p class="MsoNormal"><span style="font-size:11.0pt">I did not see this on Fix Central yet (I’m assuming you can upgrade from 5.0.1,X) , but it is on Passport Advantage. Looks like a nice set of changes, which is summarized here:</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><a href="https://www.ibm.com/support/knowledgecenter/STXKQY_5.0.2/com.ibm.spectrum.scale.v5r02.doc/bl1xx_soc.htm">https://www.ibm.com/support/knowledgecenter/STXKQY_5.0.2/com.ibm.spectrum.scale.v5r02.doc/bl1xx_soc.htm</a></span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Here are few highlights I think are worth noting (not all of them) – I beta tested watch folders and It’s a great addition to Scale.</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt"> </span><o:p></o:p></p>
<p class="MsoNormal" style="background:white;vertical-align:baseline"><b><span style="font-family:"Helvetica Neue";color:#323232">File system core improvements</span></b><o:p></o:p></p>
<ul style="margin-top:0cm" type="disc">
<li class="MsoListParagraph" style="color:#323232;margin-left:0cm;mso-list:l1 level1 lfo1;background:white;vertical-align:baseline">
<span style="font-family:"Helvetica Neue"">Combined </span><span class="ph"><span style="font-family:Menlo;border:none windowtext 1.0pt;padding:0cm">gpfs.base</span></span><span style="font-family:"Helvetica Neue""> and </span><span class="ph"><span style="font-family:Menlo;border:none windowtext 1.0pt;padding:0cm">gpfs.ext</span></span><span style="font-family:"Helvetica Neue""> into
a single package on Linux</span><o:p></o:p></li><li class="MsoListParagraph" style="color:#323232;margin-left:0cm;mso-list:l1 level1 lfo1;background:white;vertical-align:baseline">
<span style="font-family:"Helvetica Neue"">File system maintenance mode provides a safe access window for file system maintenance</span><o:p></o:p></li><li class="MsoListParagraph" style="color:#323232;margin-left:0cm;mso-list:l1 level1 lfo1;background:white;vertical-align:baseline">
<span style="font-family:"Helvetica Neue"">The </span><span class="keyword"><span style="font-family:Menlo;border:none windowtext 1.0pt;padding:0cm">maxActiveIallocSegs</span></span><span style="font-family:"Helvetica Neue""> attribute improves the performance
of deletes and unlinks</span><o:p></o:p></li><li class="MsoListParagraph" style="color:#323232;margin-left:0cm;mso-list:l1 level1 lfo1;background:white;vertical-align:baseline">
<span style="font-family:"Helvetica Neue"">The </span><span class="keyword"><span style="font-family:Menlo;border:none windowtext 1.0pt;padding:0cm">mmnetverify</span></span><span style="font-family:"Helvetica Neue""> command checks the connectivity of remote
clusters</span><o:p></o:p></li><li class="MsoListParagraph" style="color:#323232;margin-left:0cm;mso-list:l1 level1 lfo1;background:white;vertical-align:baseline">
<span style="font-family:"Helvetica Neue"">The GPFS portability layer (GPL) can be rebuilt automatically</span>
<o:p></o:p>
<ul style="margin-top:0cm" type="circle">
<li class="MsoListParagraph" style="color:#323232;margin-left:0cm;mso-list:l1 level2 lfo1;background:white;vertical-align:baseline">
<span style="font-family:"Helvetica Neue"">You can now configure a cluster to automatically rebuild the GPL whenever a new level of the Linux kernel is installed or whenever a new level of <span class="keyword"><span style="border:none windowtext 1.0pt;padding:0cm">IBM
Spectrum Scale</span></span> is installed. <span class="ph"><span style="border:none windowtext 1.0pt;padding:0cm">For more information, see the description of the </span></span></span><span class="keyword"><b><span style="font-family:Menlo;border:none windowtext 1.0pt;padding:0cm">autoBuildGPL</span></b></span><span class="ph"><span style="font-family:"Helvetica Neue";border:none windowtext 1.0pt;padding:0cm"> attribute
in the topic <a href="https://www.ibm.com/support/knowledgecenter/STXKQY_5.0.2/com.ibm.spectrum.scale.v5r02.doc/bl1adm_mmchconfig.htm?view=kc">mmchconfig command</a>.</span></span><o:p></o:p></li></ul>
</li><li class="MsoListParagraph" style="color:#323232;margin-left:0cm;mso-list:l1 level1 lfo1;background:white;vertical-align:baseline">
<span style="font-family:"Helvetica Neue"">Two features cope with long I/O waits on directly attached disks</span><o:p></o:p></li></ul>
<ul style="margin-top:0cm" type="disc">
<li class="li" style="color:#323232;margin-top:0cm;margin-bottom:0cm;margin-left:18.0pt;margin-bottom:.0001pt;mso-list:l2 level1 lfo2;background:white;vertical-align:baseline">
<span style="font-size:12.0pt;font-family:"Helvetica Neue"">The </span><span class="keyword"><b><span style="font-size:12.0pt;font-family:"Helvetica Neue";color:#000088;border:none windowtext 1.0pt;padding:0cm">diskIOHang</span></b></span><span style="font-size:12.0pt;font-family:"Helvetica Neue""> callback
event allows you to add notification and data collection scripts to analyze the cause of a local I/O request that has been pending in the node kernel for more than 5 minutes. <span class="ph"><span style="border:none windowtext 1.0pt;padding:0cm">For more
information, see <a href="https://www.ibm.com/support/knowledgecenter/STXKQY_5.0.2/com.ibm.spectrum.scale.v5r02.doc/bl1adm_mmaddcallback.htm?view=kc">mmaddcallback command</a>.</span></span></span><o:p></o:p></li><li class="li" style="color:#323232;margin-top:0cm;margin-bottom:0cm;margin-left:18.0pt;margin-bottom:.0001pt;mso-list:l2 level1 lfo2;background:white;vertical-align:baseline;font-size:inherit">
<span style="font-size:12.0pt;font-family:"Helvetica Neue"">The </span><span class="keyword"><b><span style="font-size:12.0pt;font-family:"Helvetica Neue";color:#000088;border:none windowtext 1.0pt;padding:0cm">panicOnIOHang</span></b></span><span style="font-size:12.0pt;font-family:"Helvetica Neue""> attribute
controls whether the GPFS daemon panics the node kernel when a local I/O request has been pending in the kernel for more than five minutes. <span class="ph"><span style="border:none windowtext 1.0pt;padding:0cm">For more information, see <a href="https://www.ibm.com/support/knowledgecenter/STXKQY_5.0.2/com.ibm.spectrum.scale.v5r02.doc/bl1adm_mmchconfig.htm?view=kc">mmchconfig
command</a>.</span></span></span><o:p></o:p></li></ul>
<p class="MsoNormal" style="margin-left:36.0pt;background:white;vertical-align:baseline">
<span style="font-family:"Helvetica Neue";color:#323232"> </span><o:p></o:p></p>
<p class="MsoNormal" style="background:white;vertical-align:baseline"><b><span style="font-family:"Helvetica Neue";color:#323232">Watch folder</span></b><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt;background:white;vertical-align:baseline">
<span style="font-family:"Helvetica Neue";color:#323232">Watch folder is a flexible API that allows programmatic actions to be taken based on file system events. For more information, see <span class="ph"><span style="border:none windowtext 1.0pt;padding:0cm"><a href="https://www.ibm.com/support/knowledgecenter/STXKQY_5.0.2/com.ibm.spectrum.scale.v5r02.doc/bl1ins_wfintro.htm?view=kc#watchintro">Introduction
to watch folder</a></span></span>. It has the following features:</span><o:p></o:p></p>
<ul style="margin-top:0cm;font-size:1rem;line-height:1.625rem" type="disc">
<li class="li" style="color:#323232;margin-top:0cm;margin-bottom:0cm;margin-bottom:.0001pt;mso-list:l0 level1 lfo3;background:white;vertical-align:baseline;font-size:inherit">
<span style="font-size:12.0pt;font-family:"Helvetica Neue"">Watch folder can be run against folders, filesets, and inode spaces.</span><o:p></o:p></li><li class="li" style="color:#323232;margin-top:0cm;margin-bottom:0cm;margin-bottom:.0001pt;mso-list:l0 level1 lfo3;background:white;vertical-align:baseline;font-size:inherit">
<span style="font-size:12.0pt;font-family:"Helvetica Neue"">Watch folder is modeled after Linux inotify, but works with clustered file systems and supports recursive watches for filesets and inode spaces.</span><o:p></o:p></li><li class="li" style="color:#323232;margin-top:0cm;margin-bottom:0cm;margin-bottom:.0001pt;mso-list:l0 level1 lfo3;background:white;vertical-align:baseline;font-size:inherit">
<span style="font-size:12.0pt;font-family:"Helvetica Neue"">Watch folder has two primary components:</span><o:p></o:p></li></ul>
<p class="li" style="mso-margin-top-alt:0cm;margin-right:0cm;margin-bottom:0cm;margin-left:60.0pt;margin-bottom:.0001pt;text-indent:-18.0pt;mso-list:l0 level2 lfo3;background:white;vertical-align:baseline">
<![if !supportLists]><span style="font-size:10.0pt;font-family:"Courier New""><span style="mso-list:Ignore">o<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="font-size:12.0pt;font-family:"Helvetica Neue";color:#323232">The GPFS programming interfaces, which are included within <</span><span class="ph"><span style="font-size:12.0pt;font-family:Menlo;color:#323232;border:none windowtext 1.0pt;padding:0cm">gpfs_watch.h</span></span><span style="font-size:12.0pt;font-family:"Helvetica Neue";color:#323232">>.
For more information, see <span class="ph"><span style="border:none windowtext 1.0pt;padding:0cm"><a href="https://www.ibm.com/support/knowledgecenter/STXKQY_5.0.2/com.ibm.spectrum.scale.v5r02.doc/bl1adm_watchfolderapi.htm?view=kc#watchfolderapi">Watch folder
API</a></span></span>.</span><o:p></o:p></p>
<p class="li" style="mso-margin-top-alt:0cm;margin-right:0cm;margin-bottom:0cm;margin-left:60.0pt;margin-bottom:.0001pt;text-indent:-18.0pt;mso-list:l0 level2 lfo3;background:white;vertical-align:baseline">
<![if !supportLists]><span style="font-size:10.0pt;font-family:"Courier New""><span style="mso-list:Ignore">o<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="font-size:12.0pt;font-family:"Helvetica Neue";color:#323232">The </span><span class="keyword"><b><span style="font-size:12.0pt;font-family:Menlo;color:#323232;border:none windowtext 1.0pt;padding:0cm">mmwatch</span></b></span><span style="font-size:12.0pt;font-family:"Helvetica Neue";color:#323232"> command,
which provides information for all of the watches running within a cluster. For more information, see <span class="ph"><span style="border:none windowtext 1.0pt;padding:0cm"><a href="https://www.ibm.com/support/knowledgecenter/STXKQY_5.0.2/com.ibm.spectrum.scale.v5r02.doc/bl1adm_mmwatch.htm?view=kc#mmwatch">mmwatch
command</a></span></span>.</span><o:p></o:p></p>
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<span style="font-size:12.0pt;font-family:"Helvetica Neue"">A watch folder application uses the API to run on a node within an <span class="keyword"><span style="border:none windowtext 1.0pt;padding:0cm">IBM Spectrum Scale</span></span> cluster.</span><o:p></o:p></li></ul>
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</span></span></span><![endif]><span style="font-size:12.0pt;font-family:"Helvetica Neue";color:#323232">It utilizes the message queue to receive events from multiple nodes and consume from the node that is running the application.</span><o:p></o:p></p>
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</span></span></span><![endif]><span style="font-size:12.0pt;font-family:"Helvetica Neue";color:#323232">Lightweight events come in from all eligible nodes within a cluster and from accessing clusters.</span><o:p></o:p></p>
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<span style="font-size:12.0pt;font-family:"Helvetica Neue"">Watch folder is integrated into call home, <span class="keyword"><span style="border:none windowtext 1.0pt;padding:0cm">IBM Spectrum Scale</span></span> snap log collection, and <span class="keyword"><span style="border:none windowtext 1.0pt;padding:0cm">IBM
Spectrum Scale</span></span> trace.</span><o:p></o:p></li></ul>
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<p class="MsoNormal"><span style="font-size:11.0pt"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt"> </span><o:p></o:p></p>
<p class="MsoNormal">Bob Oesterlin<o:p></o:p></p>
<p class="MsoNormal">Sr Principal Storage Engineer, Nuance<o:p></o:p></p>
<p class="MsoNormal">507-269-0413<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
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