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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:Helvetica">PTF = Program Temporary Fix. IBM-Speak for a fix for a particular problem.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:Helvetica;color:black">Bob Oesterlin<br>
Sr Storage Engineer, Nuance HPC Grid<o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="font-family:Calibri;color:black">From: </span>
</b><span style="font-family:Calibri;color:black"><gpfsug-discuss-bounces@spectrumscale.org> on behalf of "Sobey, Richard A" <r.sobey@imperial.ac.uk><br>
<b>Reply-To: </b>gpfsug main discussion list <gpfsug-discuss@spectrumscale.org><br>
<b>Date: </b>Monday, August 15, 2016 at 7:58 AM<br>
<b>To: </b>gpfsug main discussion list <gpfsug-discuss@spectrumscale.org><br>
<b>Subject: </b>[EXTERNAL] Re: [gpfsug-discuss] Minor GPFS versions coexistence problems?<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt;font-family:Calibri;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?
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<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:Calibri">From:</span></b><span style="font-size:11.0pt;font-family:Calibri"> 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?</span><span lang="EN-GB"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-GB"> <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">Richard, <o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-GB"> <o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-GB">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></span></p>
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<p class="MsoNormal"><span lang="EN-GB"> <o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-GB">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></span></p>
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<p class="MsoNormal"><span lang="EN-GB"> <o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-GB">Kevin<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-GB"> <o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-GB">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></span></p>
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<p class="MsoNormal" style="background:white"><span lang="EN-GB" style="font-size:11.0pt;font-family:Helvetica">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 lang="EN-GB"><o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span lang="EN-GB" style="font-size:11.0pt;font-family:Helvetica"> </span><span lang="EN-GB"><o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span lang="EN-GB" style="font-size:10.5pt;font-family:Helvetica">Bob Oesterlin<br>
Sr Storage Engineer, Nuance HPC Grid</span><span lang="EN-GB"><o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span lang="EN-GB" style="font-size:11.0pt;font-family:Helvetica"> </span><span lang="EN-GB"><o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span lang="EN-GB" style="font-size:11.0pt;font-family:Helvetica"> </span><span lang="EN-GB"><o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><b><span lang="EN-GB" style="font-size:11.0pt;font-family:Calibri">From:<span class="apple-converted-space"> </span></span></b><span lang="EN-GB" style="font-size:11.0pt;font-family:Calibri"><<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?</span><span lang="EN-GB"><o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span lang="EN-GB" style="font-size:11.0pt"> </span><span lang="EN-GB"><o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span lang="EN-GB" style="font-size:11.0pt;font-family:Calibri">Hi all,</span><span lang="EN-GB"><o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span lang="EN-GB" style="font-size:11.0pt;font-family:Calibri"> </span><span lang="EN-GB"><o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span lang="EN-GB" style="font-size:11.0pt;font-family:Calibri">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?</span><span lang="EN-GB"><o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span lang="EN-GB" style="font-size:11.0pt;font-family:Calibri"> </span><span lang="EN-GB"><o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span lang="EN-GB" style="font-size:11.0pt;font-family:Calibri">Cheers</span><span lang="EN-GB"><o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span lang="EN-GB" style="font-size:11.0pt;font-family:Calibri"> </span><span lang="EN-GB"><o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span lang="EN-GB" style="font-size:11.0pt;font-family:Calibri">Richard</span><span lang="EN-GB"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.5pt;font-family:Helvetica;background:white">_______________________________________________</span><span lang="EN-GB" style="font-size:10.5pt;font-family:Helvetica"><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><span lang="EN-GB"><a href="https://urldefense.proofpoint.com/v2/url?u=http-3A__spectrumscale.org_&d=CwMGaQ&c=djjh8EKwHtOepW4Bjau0lKhLlu-DxM1dlgP0rrLsOzY&r=LPDewt1Z4o9eKc86MXmhqX-45Cz1yz1ylYELF9olLKU&m=7mdOPZtryO1Y32NNeC1Tz3xqDg1A8ET3y7_lXkfMORU&s=BhQOlEc93oVSqPLG7fqVvYDydb6seRFUlFFOcG1dfeg&e="><span style="font-size:10.5pt;font-family:Helvetica;color:#954F72;background:white">spectrumscale.org</span></a></span><span lang="EN-GB" style="font-size:10.5pt;font-family:Helvetica"><br>
</span><span lang="EN-GB"><a href="https://urldefense.proofpoint.com/v2/url?u=http-3A__gpfsug.org_mailman_listinfo_gpfsug-2Ddiscuss&d=CwMGaQ&c=djjh8EKwHtOepW4Bjau0lKhLlu-DxM1dlgP0rrLsOzY&r=LPDewt1Z4o9eKc86MXmhqX-45Cz1yz1ylYELF9olLKU&m=7mdOPZtryO1Y32NNeC1Tz3xqDg1A8ET3y7_lXkfMORU&s=BisZgviqOS2TrJbfg4ajKtVl1ujs9IuO9jiPqZS-7fA&e="><span style="font-size:10.5pt;font-family:Helvetica;color:#954F72;background:white">http://gpfsug.org/mailman/listinfo/gpfsug-discuss</span></a><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-GB"> <o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-GB">—<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-GB">Kevin Buterbaugh - Senior System Administrator<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-GB">Vanderbilt University - Advanced Computing Center for Research and Education<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-GB"><a href="mailto:Kevin.Buterbaugh@vanderbilt.edu">Kevin.Buterbaugh@vanderbilt.edu</a> - (615)875-9633<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-GB"> <o:p></o:p></span></p>
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