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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">Thanks Kevin and Bob. PTF = minor version? I can’t think what it might stand for. Something Time Fix? Point in time fix?
<o:p></o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span lang="EN-US" 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> 15 August 2016 13:45<br>
<b>To:</b> gpfsug main discussion list <gpfsug-discuss@spectrumscale.org><br>
<b>Subject:</b> Re: [gpfsug-discuss] Minor GPFS versions coexistence problems?<o:p></o:p></span></p>
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<p class="MsoNormal">Richard, <o:p></o:p></p>
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<p class="MsoNormal">I will second what Bob said with one caveat … on one occasion we had an issue with our multi-cluster setup because the PTF’s were incompatible. However, that was clearly documented in the release notes, which we obviously hadn’t read carefully
enough.<o:p></o:p></p>
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<p class="MsoNormal">While we generally do rolling upgrades over a two to three week period, we have run for months with clients at differing PTF levels. HTHAL…<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 15, 2016, at 6:22 AM, Oesterlin, Robert <<a href="mailto:Robert.Oesterlin@nuance.com">Robert.Oesterlin@nuance.com</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:11.0pt;font-family:"Helvetica",sans-serif">In general, yes, it's common practice to do the 'rolling upgrades'. If I had to do my whole cluster at once, with an outage, I'd probably never upgrade.
:)</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:10.5pt;font-family:"Helvetica",sans-serif">Bob Oesterlin<br>
Sr Storage Engineer, Nuance HPC Grid</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:<span class="apple-converted-space"> </span></span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><<a href="mailto:gpfsug-discuss-bounces@spectrumscale.org"><span style="color:#954F72">gpfsug-discuss-bounces@spectrumscale.org</span></a>>
on behalf of "Sobey, Richard A" <<a href="mailto:r.sobey@imperial.ac.uk"><span style="color:#954F72">r.sobey@imperial.ac.uk</span></a>><br>
<b>Reply-To:<span class="apple-converted-space"> </span></b>gpfsug main discussion list <<a href="mailto:gpfsug-discuss@spectrumscale.org"><span style="color:#954F72">gpfsug-discuss@spectrumscale.org</span></a>><br>
<b>Date:<span class="apple-converted-space"> </span></b>Monday, August 15, 2016 at 4:59 AM<br>
<b>To:<span class="apple-converted-space"> </span></b>"'<a href="mailto:gpfsug-discuss@spectrumscale.org"><span style="color:#954F72">gpfsug-discuss@spectrumscale.org</span></a>'" <<a href="mailto:gpfsug-discuss@spectrumscale.org"><span style="color:#954F72">gpfsug-discuss@spectrumscale.org</span></a>><br>
<b>Subject:<span class="apple-converted-space"> </span></b>[EXTERNAL] [gpfsug-discuss] Minor GPFS versions coexistence problems?<o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">Hi all,<o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">If I wanted to upgrade my NSD nodes one at a time from 3.5.0.22 to 3.5.0.27 (or whatever the latest in that branch is) am I ok to stagger it over a
few days, perhaps up to 2 weeks or will I run into problems if they’re on different versions?<o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> <o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">Cheers<o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> <o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">Richard<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Helvetica",sans-serif;background:white">_______________________________________________</span><span style="font-size:10.5pt;font-family:"Helvetica",sans-serif"><br>
<span style="background:white">gpfsug-discuss mailing list</span><br>
<span style="background:white">gpfsug-discuss at<span class="apple-converted-space"> </span></span></span><a href="http://spectrumscale.org/"><span style="font-size:10.5pt;font-family:"Helvetica",sans-serif;color:#954F72;background:white">spectrumscale.org</span></a><span style="font-size:10.5pt;font-family:"Helvetica",sans-serif"><br>
</span><a href="http://gpfsug.org/mailman/listinfo/gpfsug-discuss"><span style="font-size:10.5pt;font-family:"Helvetica",sans-serif;color:#954F72;background:white">http://gpfsug.org/mailman/listinfo/gpfsug-discuss</span></a><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 Buterbaugh - Senior System Administrator<o:p></o:p></p>
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<p class="MsoNormal">Vanderbilt University - Advanced Computing Center for Research and Education<o:p></o:p></p>
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<p class="MsoNormal"><a href="mailto:Kevin.Buterbaugh@vanderbilt.edu">Kevin.Buterbaugh@vanderbilt.edu</a> - (615)875-9633<o:p></o:p></p>
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