Oh I see – yes data could remain in place when you upgrade. The other option that you could consider would be to leverage interop and continue to use 2.15.x servers with 2.16.1 clients. Interop support to 2.15.x LTS will exist for future releases (2.17, 2.18 etc) up until and including the next LTS (whatever that may be).
From: Ramiro Alba Queipo <ramiro.a...@upc.edu> Date: Tuesday, January 14, 2025 at 9:31 AM To: Peter Jones <pjo...@whamcloud.com> Cc: "lustre-discuss@lists.lustre.org" <lustre-discuss@lists.lustre.org> Subject: Re: [lustre-discuss] Using Ubuntu 24.04 as client Peter, Sorry about my way of putting t'he question, but I ment that when upgrading from 2.16.1 to next LTS series (say 2.18.X, or whatever), no need to reformatting OSTs and recover data, right? Best regards El mar, 14 ene 2025, 15:56, Peter Jones <pjo...@whamcloud.com<mailto:pjo...@whamcloud.com>> escribió: I’m not 100% sure that I am understanding your question correctly here but, if you are asking “will 2.16.x be an LTS branch then the answer is that this is not the plan of record”. The 2025 OpenSFS survey will be out shortly and the results of that may result in more clarity around our plans in this regard… From: lustre-discuss <lustre-discuss-boun...@lists.lustre.org<mailto:lustre-discuss-boun...@lists.lustre.org>> on behalf of Ramiro Alba Queipo <ramiro.a...@upc.edu<mailto:ramiro.a...@upc.edu>> Date: Tuesday, January 14, 2025 at 2:54 AM To: "lustre-discuss@lists.lustre.org<mailto:lustre-discuss@lists.lustre.org>" <lustre-discuss@lists.lustre.org<mailto:lustre-discuss@lists.lustre.org>> Subject: Re: [lustre-discuss] Using Ubuntu 24.04 as client Hi Peter, Thanks for yor answer. I suppose, migrating for 2.16.1 to next LTS series is supported, right? Best regards On Mon, 13 Jan 2025 at 15:18, Peter Jones <pjo...@whamcloud.com<mailto:pjo...@whamcloud.com>> wrote: Ramiro There are no plans to backport Ubuntu 24.04 support for2.15.7 – we’ll still focus on Ubuntu 22.04 as our primary Ubuntu release for that. 2.16.1 was considered to be suitable for production usage with Ubuntu 24.04 clients at the time of its release so that could be an option for you, but please be aware that there will not be ongoing updates for that branch. The next LTS series would certainly focus on a newer Ubuntu version. Regards Peter From: lustre-discuss <lustre-discuss-boun...@lists.lustre.org<mailto:lustre-discuss-boun...@lists.lustre.org>> on behalf of Ramiro Alba Queipo <ramiro.a...@upc.edu<mailto:ramiro.a...@upc.edu>> Date: Monday, January 13, 2025 at 3:02 AM To: "lustre-discuss@lists.lustre.org<mailto:lustre-discuss@lists.lustre.org>" <lustre-discuss@lists.lustre.org<mailto:lustre-discuss@lists.lustre.org>> Subject: [lustre-discuss] Using Ubuntu 24.04 as client Hi all, We are interested in upgrading our Lustre 2.15.X cluster to use Ubuntu 24.04 LTS as client and we see that Lustre 2.16.1 is supporting it. Is that version stable enough to be in production or should we wait for the next LTS suporting Ubuntu 24.04 LTS? Will Lustre 2.15.7 LTS be supporting Ubuntu 24.04 LTS or must we wait for the next LTS series? Thanks in advance Best regards -- Ramiro Alba Centre Tecnològic de Tranferència de Calor http://www.cttc.upc.edu Escola Tècnica Superior d'Enginyeries Industrial i Aeronàutica de Terrassa Colom 11, E-08222, Terrassa, Barcelona, Spain Tel: (+34) 93 739 8928 -- Ramiro Alba Centre Tecnològic de Tranferència de Calor http://www.cttc.upc.edu Escola Tècnica Superior d'Enginyeries Industrial i Aeronàutica de Terrassa Colom 11, E-08222, Terrassa, Barcelona, Spain Tel: (+34) 93 739 8928
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