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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Thanks for the excellent description… I have my PMR open for the e-fix,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">-Bryan<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> gpfsug-discuss-bounces@spectrumscale.org [mailto:gpfsug-discuss-bounces@spectrumscale.org]
<b>On Behalf Of </b>Buterbaugh, Kevin L<br>
<b>Sent:</b> Wednesday, August 30, 2017 9:28 AM<br>
<b>To:</b> gpfsug main discussion list <gpfsug-discuss@spectrumscale.org><br>
<b>Subject:</b> Re: [gpfsug-discuss] GPFS 4.2.3.4 question<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><em><span style="font-size:8.5pt;font-family:"Verdana",sans-serif;color:#333333">Note: External Email</span></em><o:p></o:p></p>
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<p class="MsoNormal">Hi Bryan, <o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">NO - it has the fix for the mmrestripefs data loss bug, but you need the efix on top of 4.2.3-4 for the mmadddisk / mmdeldisk issue.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Let me take this opportunity to also explain a workaround that has worked for us so far for that issue … the basic problem is two-fold (on our cluster, at least). First, the /var/mmfs/gen/mmsdrfs file isn’t making it out to all nodes all
the time. That is simple enough to fix (mmrefresh -fa) and verify that it’s fixed (md5sum /var/mmfs/gen/mmsdrfs).<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Second, however - and this is the real problem … some nodes are never actually rereading that file and therefore have incorrect information *in memory*. This has been especially problematic for us as we are replacing a batch of 80 8 TB
drives with bad firmware. I am therefore deleting and subsequently recreating NSDs *with the same name*. If a client node still has the “old” information in memory then it unmounts the filesystem when I try to mmadddisk the new NSD.<o:p></o:p></p>
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<p class="MsoNormal">The workaround is to identify those nodes (mmfsadm dump nsd and grep for the identifier of the NSD(s) in question) and force them to reread the info (tsctl rereadnsd).<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">HTH…<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Kevin<o:p></o:p></p>
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<p class="MsoNormal">On Aug 30, 2017, at 9:21 AM, Bryan Banister <<a href="mailto:bbanister@jumptrading.com">bbanister@jumptrading.com</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Ok, I’m completely confused… You’re saying 4.2.3-4 *<b>has</b>* the fix for adding/deleting NSDs?</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">-Bryan</span><o:p></o:p></p>
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<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span class="apple-converted-space"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> </span></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><a href="mailto:gpfsug-discuss-bounces@spectrumscale.org"><span style="color:purple">gpfsug-discuss-bounces@spectrumscale.org</span></a><span class="apple-converted-space"> </span>[<a href="mailto:gpfsug-discuss-bounces@spectrumscale.org"><span style="color:purple">mailto:gpfsug-discuss-bounces@spectrumscale.org</span></a>]<span class="apple-converted-space"> </span><b>On
Behalf Of<span class="apple-converted-space"> </span></b>Sobey, Richard A<br>
<b>Sent:</b><span class="apple-converted-space"> </span>Wednesday, August 30, 2017 9:13 AM<br>
<b>To:</b><span class="apple-converted-space"> </span>gpfsug main discussion list <<a href="mailto:gpfsug-discuss@spectrumscale.org"><span style="color:purple">gpfsug-discuss@spectrumscale.org</span></a>><br>
<b>Subject:</b><span class="apple-converted-space"> </span>Re: [gpfsug-discuss] GPFS 4.2.3.4 question</span><o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal"><em><span lang="EN-GB" style="font-size:8.5pt;font-family:"Verdana",sans-serif;color:#333333">Note: External Email</span></em><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Aha, I’ve just realised what you actually said, having seen Simon’s response and twigged. The defect 1020461 matches what IBM has told me in my PMR
about adding/deleting NSDs. I’m not sure why the description mentions networking though!</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Richard</span><o:p></o:p></p>
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<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span class="apple-converted-space"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> </span></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><a href="mailto:gpfsug-discuss-bounces@spectrumscale.org"><span style="color:purple">gpfsug-discuss-bounces@spectrumscale.org</span></a><span class="apple-converted-space"> </span>[<a href="mailto:gpfsug-discuss-bounces@spectrumscale.org"><span style="color:purple">mailto:gpfsug-discuss-bounces@spectrumscale.org</span></a>]<span class="apple-converted-space"> </span><b>On
Behalf Of<span class="apple-converted-space"> </span></b>Sobey, Richard A<br>
<b>Sent:</b><span class="apple-converted-space"> </span>30 August 2017 14:56<br>
<b>To:</b><span class="apple-converted-space"> </span>gpfsug main discussion list <<a href="mailto:gpfsug-discuss@spectrumscale.org"><span style="color:purple">gpfsug-discuss@spectrumscale.org</span></a>><br>
<b>Subject:</b><span class="apple-converted-space"> </span>Re: [gpfsug-discuss] GPFS 4.2.3.4 question</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">No worries, I’ve got it sorted and hopefully about to grab the 4.2.3-4 efix2.</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Cheers for your help!</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Richard</span><o:p></o:p></p>
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<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span class="apple-converted-space"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> </span></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><a href="mailto:gpfsug-discuss-bounces@spectrumscale.org"><span style="color:purple">gpfsug-discuss-bounces@spectrumscale.org</span></a><span class="apple-converted-space"> </span>[<a href="mailto:gpfsug-discuss-bounces@spectrumscale.org"><span style="color:purple">mailto:gpfsug-discuss-bounces@spectrumscale.org</span></a>]<span class="apple-converted-space"> </span><b>On
Behalf Of<span class="apple-converted-space"> </span></b>Buterbaugh, Kevin L<br>
<b>Sent:</b><span class="apple-converted-space"> </span>30 August 2017 14:55<br>
<b>To:</b><span class="apple-converted-space"> </span>gpfsug main discussion list <<a href="mailto:gpfsug-discuss@spectrumscale.org"><span style="color:purple">gpfsug-discuss@spectrumscale.org</span></a>><br>
<b>Subject:</b><span class="apple-converted-space"> </span>Re: [gpfsug-discuss] GPFS 4.2.3.4 question</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-GB"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-GB">Hi Richard,<span class="apple-converted-space"> </span></span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-GB">Well, I’m not sure, which is why it’s taken me a while to respond. In the README that comes with the efix it lists:</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-GB">Defect APAR Description</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-GB">1032655 None AFM: Fix Truncate filtering Write incorrectly</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-GB">1020461 None FS can't be mounted after weird networking error</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-GB">That 1st one is obviously not it and that 2nd one doesn’t reference mmadddisk / mmdeldisk. Plus neither show an APAR number.</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-GB">Sorry I can’t be of more help…</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-GB">Kevin</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-GB">On Aug 29, 2017, at 12:52 PM, Sobey, Richard A <<a href="mailto:r.sobey@imperial.ac.uk"><span style="color:purple">r.sobey@imperial.ac.uk</span></a>> wrote:</span><o:p></o:p></p>
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<span lang="EN-GB" style="font-size:11.0pt;font-family:"Arial",sans-serif">Thanks Kevin, that's good to know. Is there an apar I need to quote in my pmr?</span><o:p></o:p></p>
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<p class="MsoNormal" style="background:white"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Arial",sans-serif">Get<span class="apple-converted-space"> </span><a href="https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Faka.ms%2Fghei36&data=02%7C01%7CKevin.Buterbaugh%40vanderbilt.edu%7C493f1f9e41e343324f1508d4efb25f4f%7Cba5a7f39e3be4ab3b45067fa80faecad%7C0%7C0%7C636396996783027614&sdata=op1veAuespuhwL9zsBMZe%2FwVAn6NC%2FkL0U4IKtAmVT4%3D&reserved=0"><span style="color:purple">Outlook
for Android</span></a></span><o:p></o:p></p>
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<p class="MsoNormal" style="background:white"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Arial",sans-serif"> </span><o:p></o:p></p>
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<p class="MsoNormal"><b><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span class="apple-converted-space"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif"> </span></span><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif"><a href="mailto:gpfsug-discuss-bounces@spectrumscale.org"><span style="color:purple">gpfsug-discuss-bounces@spectrumscale.org</span></a><span class="apple-converted-space"> </span><<a href="mailto:gpfsug-discuss-bounces@spectrumscale.org"><span style="color:purple">gpfsug-discuss-bounces@spectrumscale.org</span></a>>
on behalf of Buterbaugh, Kevin L <<a href="mailto:Kevin.Buterbaugh@Vanderbilt.Edu"><span style="color:purple">Kevin.Buterbaugh@Vanderbilt.Edu</span></a>><br>
<b>Sent:</b><span class="apple-converted-space"> </span>Tuesday, August 29, 2017 4:53:51 PM<br>
<b>To:</b><span class="apple-converted-space"> </span>gpfsug main discussion list<br>
<b>Subject:</b><span class="apple-converted-space"> </span>Re: [gpfsug-discuss] GPFS 4.2.3.4 question</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-GB">Hi Richard,<span class="apple-converted-space"> </span></span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-GB">Since I upgraded my cluster to GPFS 4.2.3.4 over the weekend IBM created an efix for it for the NSD deletion / creation fix. I’m sure they’ll give it to you, too… ;-)</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-GB">Kevin</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-GB">On Aug 29, 2017, at 9:30 AM, Sobey, Richard A <<a href="mailto:r.sobey@imperial.ac.uk"><span style="color:purple">r.sobey@imperial.ac.uk</span></a>> wrote:</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">So I can upgrade to 4.2.3-4 to get the mmrestripe fix, or 4.2.3-3 efix3 to get the NSD deletion and creation fix? Not great when on Monday I’m doing
a load of all this. What’s the recommendation? Is there a one size fits all patch?</span><o:p></o:p></p>
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<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span class="apple-converted-space"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> </span></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><a href="mailto:gpfsug-discuss-bounces@spectrumscale.org"><span style="color:purple">gpfsug-discuss-bounces@spectrumscale.org</span></a><span class="apple-converted-space"> </span>[<a href="mailto:gpfsug-discuss-bounces@spectrumscale.org"><span style="color:purple">mailto:gpfsug-discuss-bounces@spectrumscale.org</span></a>]<span class="apple-converted-space"> </span><b>On
Behalf Of<span class="apple-converted-space"> </span></b>Frederick Stock<br>
<b>Sent:</b><span class="apple-converted-space"> </span>27 August 2017 01:35<br>
<b>To:</b><span class="apple-converted-space"> </span>gpfsug main discussion list <<a href="mailto:gpfsug-discuss@spectrumscale.org"><span style="color:purple">gpfsug-discuss@spectrumscale.org</span></a>><br>
<b>Subject:</b><span class="apple-converted-space"> </span>Re: [gpfsug-discuss] GPFS 4.2.3.4 question</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-GB" style="font-family:"Arial",sans-serif">The only change missing is the change delivered in 4.2.3 PTF3 efix3 which was provided on August 22. The problem had to do with NSD deletion and creation.</span><span lang="EN-GB"><br>
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</span><span lang="EN-GB" style="font-family:"Arial",sans-serif">Fred<br>
__________________________________________________<br>
Fred Stock | IBM Pittsburgh Lab | 720-430-8821<br>
<a href="mailto:stockf@us.ibm.com"><span style="color:purple">stockf@us.ibm.com</span></a></span><span lang="EN-GB"><br>
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</span><span lang="EN-GB" style="font-size:7.5pt;font-family:"Arial",sans-serif;color:#5F5F5F">From: </span><span lang="EN-GB" style="font-size:7.5pt;font-family:"Arial",sans-serif">"Buterbaugh, Kevin L" <<a href="mailto:Kevin.Buterbaugh@Vanderbilt.Edu"><span style="color:purple">Kevin.Buterbaugh@Vanderbilt.Edu</span></a>></span><span lang="EN-GB"><br>
</span><span lang="EN-GB" style="font-size:7.5pt;font-family:"Arial",sans-serif;color:#5F5F5F">To: </span><span lang="EN-GB" style="font-size:7.5pt;font-family:"Arial",sans-serif">gpfsug main discussion list <<a href="mailto:gpfsug-discuss@spectrumscale.org"><span style="color:purple">gpfsug-discuss@spectrumscale.org</span></a>></span><span lang="EN-GB"><br>
</span><span lang="EN-GB" style="font-size:7.5pt;font-family:"Arial",sans-serif;color:#5F5F5F">Date: </span><span lang="EN-GB" style="font-size:7.5pt;font-family:"Arial",sans-serif">08/26/2017 03:40 PM</span><span lang="EN-GB"><br>
</span><span lang="EN-GB" style="font-size:7.5pt;font-family:"Arial",sans-serif;color:#5F5F5F">Subject: </span><span lang="EN-GB" style="font-size:7.5pt;font-family:"Arial",sans-serif">[gpfsug-discuss] GPFS 4.2.3.4 question</span><span lang="EN-GB"><br>
</span><span lang="EN-GB" style="font-size:7.5pt;font-family:"Arial",sans-serif;color:#5F5F5F">Sent by: </span><span lang="EN-GB" style="font-size:7.5pt;font-family:"Arial",sans-serif"><a href="mailto:gpfsug-discuss-bounces@spectrumscale.org"><span style="color:purple">gpfsug-discuss-bounces@spectrumscale.org</span></a></span><o:p></o:p></p>
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Hi All,<span class="apple-converted-space"> </span><br>
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Does anybody know if GPFS 4.2.3.4, which came out today, contains all the patches that are in GPFS 4.2.3.3 efix3?<br>
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If anybody does, and can respond, I’d greatly appreciate it. Our cluster is in a very, very bad state right now and we may need to just take it down and bring it back up. I was already planning on rolling out GPFS 4.2.3.3 efix 3 over the next few weeks anyway,
so if I can just go to 4.2.3.4 that would be great…<br>
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Thanks!<br>
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—<br>
Kevin Buterbaugh - Senior System Administrator<br>
Vanderbilt University - Advanced Computing Center for Research and Education<br>
<a href="mailto:Kevin.Buterbaugh@vanderbilt.edu"><span style="color:purple">Kevin.Buterbaugh@vanderbilt.edu</span></a>- (615)875-9633<br>
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<p class="MsoNormal"><span lang="EN-GB">—</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-GB">Kevin Buterbaugh - Senior System Administrator</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-GB">Vanderbilt University - Advanced Computing Center for Research and Education</span><o:p></o:p></p>
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