Denis Updates for 2.12.x ceased a couple years ago. Support eligibility for 2.12.x may vary between support providers. I don’t know of any issues specific to 2.12.5 but we have not conducted any testing on that specific version since 2.12.6 came out in late 2020. Based on the most recent OpenSFS community survey (results to be announced at LUG tomorrow) you are far from alone in still having 2.12.x running in production. 😊
Peter From: "Bertini, Denis Dr." <d.bert...@gsi.de> Date: Monday, March 31, 2025 at 5:50 AM To: Peter Jones <pjo...@whamcloud.com>, "lustre-discuss@lists.lustre.org" <lustre-discuss@lists.lustre.org> Cc: "Penso, Victor" <v.pe...@gsi.de> Subject: Re: [lustre-discuss] interoperability between lustre client and lustre server version Hi Peter, Thanks for the quick answer. The exact server version we are running is 2.12.5. Do you see an potential issue running such a server version with clients version 2.15.6? Furthermore, i would like to know how long will the 2.12.x ( latest x=9) lustre server version be updated/supported ? Do you know? Cheers, Denis ________________________________ From: Peter Jones <pjo...@whamcloud.com> Sent: Monday, March 31, 2025 1:57 PM To: Bertini, Denis Dr.; lustre-discuss@lists.lustre.org Cc: Penso, Victor Subject: Re: [lustre-discuss] interoperability between lustre client and lustre server version You don’t 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 – we test interoperability with the latest 2.12.x release as part of the pre-release validation for 2.15.x releases. From: lustre-discuss <lustre-discuss-boun...@lists.lustre.org> on behalf of "Bertini, Denis Dr. via lustre-discuss" <lustre-discuss@lists.lustre.org> Reply-To: "Bertini, Denis Dr." <d.bert...@gsi.de> Date: Monday, March 31, 2025 at 2:09 AM To: "lustre-discuss@lists.lustre.org" <lustre-discuss@lists.lustre.org> Cc: "Penso, Victor" <v.pe...@gsi.de> Subject: [lustre-discuss] interoperability between lustre client and lustre server version Hi, 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 ). 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? thanks in advance, --------- Denis Bertini Abteilung: CIT Ort: SB3 2.265a Tel: +49 6159 71 2240 Fax: +49 6159 71 2986 E-Mail: d.bert...@gsi.de GSI Helmholtzzentrum für Schwerionenforschung GmbH Planckstraße 1, 64291 Darmstadt, Germany, www.gsi.de Commercial Register / Handelsregister: Amtsgericht Darmstadt, HRB 1528 Managing Directors / Geschäftsführung: Professor Dr. Paolo Giubellino, Dr. Ulrich Breuer, Jörg Blaurock Chairman of the GSI Supervisory Board / Vorsitzender des GSI-Aufsichtsrats: Ministerialdirigent Dr. Volkmar Dietz
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