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<p class="MsoNormal"><span style="color:#1F497D">OK Simon, thanks. I suppose we’re all in the same boat having to get change management approval etc!<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US" style="mso-fareast-language:EN-GB">From:</span></b><span lang="EN-US" style="mso-fareast-language:EN-GB"> gpfsug-discuss-bounces@spectrumscale.org [mailto:gpfsug-discuss-bounces@spectrumscale.org]
<b>On Behalf Of </b>Simon Thompson (IT Research Support)<br>
<b>Sent:</b> 04 July 2017 12:09<br>
<b>To:</b> gpfsug main discussion list <gpfsug-discuss@spectrumscale.org><br>
<b>Subject:</b> Re: [gpfsug-discuss] Requirement to keep gpfs.smb the same on all nodes<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black">AFAIK. Always.</span><span style="font-size:10.5pt;color:black;mso-fareast-language:EN-GB"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black">We have had the service eat itself BTW by having different code releases and trying this.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black">Yes its a PITA that we have to get a change approval for it (so we don't do it as often as we should)...<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black">The upgrade process upgrades the SMB registry, we have also seen the CTDB lock stuff break when they are not running the same code release, so now we just don't do this.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black">Simon<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="color:black">From: </span></b><span style="color:black"><<a href="mailto:gpfsug-discuss-bounces@spectrumscale.org">gpfsug-discuss-bounces@spectrumscale.org</a>> on behalf of "Sobey, Richard A" <<a href="mailto:r.sobey@imperial.ac.uk">r.sobey@imperial.ac.uk</a>><br>
<b>Reply-To: </b>"<a href="mailto:gpfsug-discuss@spectrumscale.org">gpfsug-discuss@spectrumscale.org</a>" <<a href="mailto:gpfsug-discuss@spectrumscale.org">gpfsug-discuss@spectrumscale.org</a>><br>
<b>Date: </b>Tuesday, 4 July 2017 at 11:54<br>
<b>To: </b>"<a href="mailto:gpfsug-discuss@spectrumscale.org">gpfsug-discuss@spectrumscale.org</a>" <<a href="mailto:gpfsug-discuss@spectrumscale.org">gpfsug-discuss@spectrumscale.org</a>><br>
<b>Subject: </b>[gpfsug-discuss] Requirement to keep gpfs.smb the same on all nodes<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="color:black">Hi all,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black"> <o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black">For how long has this requirement been in force, and why?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black"> <o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black"><a href="https://www.ibm.com/support/knowledgecenter/en/STXKQY_4.2.3/com.ibm.spectrum.scale.v4r23.doc/bl1ins_updatingsmb.htm">https://www.ibm.com/support/knowledgecenter/en/STXKQY_4.2.3/com.ibm.spectrum.scale.v4r23.doc/bl1ins_updatingsmb.htm</a><o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black"> <o:p></o:p></span></p>
<p class="MsoNormal"><b><span style="font-family:"Arial",sans-serif;color:#323232;background:white">All protocol nodes running the SMB service must have the same version of </span></b><span class="ph"><b><span style="font-family:"Courier New";color:#323232;border:none windowtext 1.0pt;padding:0cm;background:white">gpfs.smb</span></b></span><b><span style="font-family:"Arial",sans-serif;color:#323232;background:white"> installed
at any time. This requires a brief outage of the SMB service to upgrade </span></b><span class="ph"><b><span style="font-family:"Courier New";color:#323232;border:none windowtext 1.0pt;padding:0cm;background:white">gpfs.smb</span></b></span><b><span style="font-family:"Arial",sans-serif;color:#323232;background:white"> to
the newer version across all protocol nodes. The procedure outlined here is intended to reduce the outage to a minimum.</span></b><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Arial",sans-serif;color:#323232;background:white"> </span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black">Previously I’ve upgraded nodes one at a time over the course of a few days.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black"> <o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black">Is the impact just that we won’t be supported, or will a hole open up beneath my feet and swallow me whole?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black"> <o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black">I really don’t fancy the headache of getting approvals to get an outage of even 5 minutes at 6am….<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black"> <o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black">Cheers<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black">Richard<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black"> <o:p></o:p></span></p>
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