<html xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<meta name="Generator" content="Microsoft Word 15 (filtered medium)">
<style><!--
/* Font Definitions */
@font-face
{font-family:"Cambria Math";
panose-1:2 4 5 3 5 4 6 3 2 4;}
@font-face
{font-family:Calibri;
panose-1:2 15 5 2 2 2 4 3 2 4;}
@font-face
{font-family:Aptos;
panose-1:2 11 6 4 2 2 2 2 2 4;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0in;
font-size:12.0pt;
font-family:"Aptos",sans-serif;}
span.EmailStyle19
{mso-style-type:personal-reply;
font-family:"Aptos",sans-serif;
color:windowtext;}
.MsoChpDefault
{mso-style-type:export-only;
font-size:10.0pt;
mso-ligatures:none;}
@page WordSection1
{size:8.5in 11.0in;
margin:1.0in 1.0in 1.0in 1.0in;}
div.WordSection1
{page:WordSection1;}
--></style>
</head>
<body lang="EN-US" link="#467886" vlink="#96607D" style="word-wrap:break-word">
<div class="WordSection1">
<p class="MsoNormal"><span style="font-size:11.0pt">You don\u2019t specify which 2.12.x release that you are using but in theory it should be fine to continue to upgrade to newer 2.15.x releases as they are issued \u2013 we test interoperability with the latest 2.12.x
release as part of the pre-release validation for 2.15.x releases.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<div style="border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in">
<p class="MsoNormal"><b><span style="font-family:"Calibri",sans-serif;color:black">From:
</span></b><span style="font-family:"Calibri",sans-serif;color:black">lustre-discuss <lustre-discuss-bounces@lists.lustre.org> on behalf of "Bertini, Denis Dr. via lustre-discuss" <lustre-discuss@lists.lustre.org><br>
<b>Reply-To: </b>"Bertini, Denis Dr." <D.Bertini@gsi.de><br>
<b>Date: </b>Monday, March 31, 2025 at 2:09\u202fAM<br>
<b>To: </b>"lustre-discuss@lists.lustre.org" <lustre-discuss@lists.lustre.org><br>
<b>Cc: </b>"Penso, Victor" <V.Penso@gsi.de><br>
<b>Subject: </b>[lustre-discuss] interoperability between lustre client and lustre server version<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
<div id="divtagdefaultwrapper">
<p><span style="font-family:"Calibri",sans-serif;color:black">Hi,<o:p></o:p></span></p>
<p><span style="font-family:"Calibri",sans-serif;color:black"><o:p> </o:p></span></p>
<p><span style="font-family:"Calibri",sans-serif;color:black">We have a server version 2.12 which can interoperate without problem with higher lustre client versions ( up to 2.15.6 at the moment ).<o:p></o:p></span></p>
<p><span style="font-family:"Calibri",sans-serif;color:black">My question is how long can we update the client version on our compute nodes without having problem with the "old" luster server version 2.12?<o:p></o:p></span></p>
<div id="Signature">
<div id="divtagdefaultwrapper">
<div>
<p class="MsoNormal"><span style="font-family:"Calibri",sans-serif;color:black">thanks in advance,<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-family:"Calibri",sans-serif;color:black"><o:p> </o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Calibri",sans-serif;color:black">---------</span><span style="font-family:"Calibri",sans-serif;color:black"><o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Calibri",sans-serif;color:black">Denis Bertini</span><span style="font-family:"Calibri",sans-serif;color:black"><o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Calibri",sans-serif;color:black">Abteilung: CIT</span><span style="font-family:"Calibri",sans-serif;color:black"><o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Calibri",sans-serif;color:black">Ort: SB3 2.265a</span><span style="font-family:"Calibri",sans-serif;color:black"><o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-family:"Calibri",sans-serif;color:black"><o:p> </o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Calibri",sans-serif;color:black">Tel: +49 6159 71 2240</span><span style="font-family:"Calibri",sans-serif;color:black"><o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Calibri",sans-serif;color:black">Fax: +49 6159 71 2986</span><span style="font-family:"Calibri",sans-serif;color:black"><o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Calibri",sans-serif;color:black">E-Mail: d.bertini@gsi.de</span><span style="font-family:"Calibri",sans-serif;color:black"><o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-family:"Calibri",sans-serif;color:black"><o:p> </o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Calibri",sans-serif;color:black">GSI Helmholtzzentrum für Schwerionenforschung GmbH</span><span style="font-family:"Calibri",sans-serif;color:black"><o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Calibri",sans-serif;color:black">Planckstraße 1, 64291 Darmstadt, Germany, www.gsi.de</span><span style="font-family:"Calibri",sans-serif;color:black"><o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-family:"Calibri",sans-serif;color:black"><o:p> </o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Calibri",sans-serif;color:black">Commercial Register / Handelsregister: Amtsgericht Darmstadt, HRB 1528</span><span style="font-family:"Calibri",sans-serif;color:black"><o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Calibri",sans-serif;color:black">Managing Directors / Geschäftsführung:</span><span style="font-family:"Calibri",sans-serif;color:black"><o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Calibri",sans-serif;color:black">Professor Dr. Paolo Giubellino, Dr. Ulrich Breuer, Jörg Blaurock</span><span style="font-family:"Calibri",sans-serif;color:black"><o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Calibri",sans-serif;color:black">Chairman of the GSI Supervisory Board / Vorsitzender des GSI-Aufsichtsrats:</span><span style="font-family:"Calibri",sans-serif;color:black"><o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Calibri",sans-serif;color:black">Ministerialdirigent Dr. Volkmar Dietz</span><span style="font-family:"Calibri",sans-serif;color:black"><o:p></o:p></span></p>
</div>
</div>
</div>
</div>
</div>
</body>
</html>