<div class="socmaildefaultfont" dir="ltr" style="font-family:Arial, Helvetica, sans-serif;font-size:10.5pt" ><div dir="ltr" >Upgrading the binaries (and building a new gpl) is typically what takes a bit of time per node, upgrading the file system is not a huge operation once the binaries are out of the way.<br> </div>
<div dir="ltr" ><div class="mail-signature-container" ><div class="socmaildefaultfont" dir="ltr" style="font-family:Arial;font-size:10.5pt" ><div class="socmaildefaultfont" dir="ltr" style="font-family:Arial;font-size:10.5pt" ><div class="socmaildefaultfont" dir="ltr" style="font-family:Arial;font-size:10.5pt" ><div class="socmaildefaultfont" dir="ltr" style="font-family:Arial;font-size:10.5pt" ><div class="socmaildefaultfont" dir="ltr" style="font-family:Arial;font-size:10.5pt" ><div class="socmaildefaultfont" dir="ltr" style="font-family:Arial;font-size:10.5pt" ><div class="socmaildefaultfont" dir="ltr" style="font-family:Arial;font-size:10.5pt" ><div class="socmaildefaultfont" dir="ltr" style="font-family:Arial;font-size:10.5pt" ><div class="socmaildefaultfont" dir="ltr" style="font-family:Arial;font-size:10.5pt" ><div class="socmaildefaultfont" dir="ltr" style="font-family:Arial;font-size:10.5pt" ><div dir="ltr" ><div style="font-size: 10pt; font-weight: bold; font-family: sans-serif;" ><div>Kevin D. Johnson, MBA, MAFM<br><span style="font-size: 0.786em;" >Spectrum Computing, Senior Managing Consultant<br><br><span style="color:#696969;" >IBM Certified Deployment Professional - Spectrum Scale V4.1.1<br>IBM Certified Deployment Professional - Cloud Object Storage V3.8</span></span></div>
<div><span style="color:#696969;" ><span style="font-size: 0.786em;" >IBM Certified Solution Advisor - Spectrum Computing V1</span></span></div>
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<div><span style="color:#696969;" ><span style="font-size: 0.786em;" >720.349.6199 - kevindjo@us.ibm.com</span></span></div></div>
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<blockquote data-history-content-modified="1" dir="ltr" style="border-left:solid #aaaaaa 2px; margin-left:5px; padding-left:5px; direction:ltr; margin-right:0px" >----- Original message -----<br>From: Aaron Knister <aaron.s.knister@nasa.gov><br>Sent by: gpfsug-discuss-bounces@spectrumscale.org<br>To: gpfsug main discussion list <gpfsug-discuss@spectrumscale.org><br>Cc:<br>Subject: [gpfsug-discuss] GPFS 3.5 to 4.1 Upgrade Question<br>Date: Mon, Dec 5, 2016 4:32 PM<br>
<div><font face="Default Monospace,Courier New,Courier,monospace" size="2" >Hi Everyone,<br><br>In the GPFS documentation<br>(<a href="http://www.ibm.com/support/knowledgecenter/SSFKCN_4.1.0/com.ibm.cluster.gpfs.v4r1.gpfs300.doc/bl1ins_migratl.htm" target="_blank" >http://www.ibm.com/support/knowledgecenter/SSFKCN_4.1.0/com.ibm.cluster.gpfs.v4r1.gpfs300.doc/bl1ins_migratl.htm</a>)<br>it has this to say about the duration of an upgrade from 3.5 to 4.1:<br><br>> Rolling upgrades allow you to install new GPFS code one node at a time without shutting down GPFS<br>> on other nodes. However, you must upgrade all nodes within a short time. The time dependency exists<br>>because some GPFS 4.1 features become available on each node as soon as<br>the node is upgraded, while<br>>other features will not become available until you upgrade all<br>participating nodes.<br><br>Does anyone have a feel for what "a short time" means? I'm looking to<br>upgrade from 3.5.0.31 to 4.1.1.10 in a rolling fashion but given the<br>size of our system it might take several weeks to complete. Seeing this<br>language concerns me that after some period of time something bad is<br>going to happen, but I don't know what that period of time is.<br><br>Also, if anyone has done a rolling 3.5 to 4.1 upgrade and has any<br>anecdotes they'd like to share, I would like to hear them.<br><br>Thanks!<br><br>-Aaron<br><br>--<br>Aaron Knister<br>NASA Center for Climate Simulation (Code 606.2)<br>Goddard Space Flight Center<br>(301) 286-2776<br>_______________________________________________<br>gpfsug-discuss mailing list<br>gpfsug-discuss at spectrumscale.org<br><a href="http://gpfsug.org/mailman/listinfo/gpfsug-discuss" target="_blank" >http://gpfsug.org/mailman/listinfo/gpfsug-discuss</a></font><br> </div></blockquote>
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