From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mp0.migadu.com ([2001:41d0:303:5f26::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by ms8.migadu.com with LMTPS id WHx/ODCee2UqawAAkFu2QA (envelope-from ) for ; Fri, 15 Dec 2023 01:30:41 +0100 Received: from aspmx1.migadu.com ([2001:41d0:403:58f0::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by mp0.migadu.com with LMTPS id sDE3MjCee2WxDgAAqHPOHw (envelope-from ) for ; Fri, 15 Dec 2023 01:30:40 +0100 X-Envelope-To: larch@yhetil.org Authentication-Results: aspmx1.migadu.com; dkim=fail ("body hash did not verify") header.d=univ-grenoble-alpes.fr header.s=2020 header.b=xazVJU1J; spf=pass (aspmx1.migadu.com: domain of "help-guix-bounces+larch=yhetil.org@gnu.org" designates 209.51.188.17 as permitted sender) smtp.mailfrom="help-guix-bounces+larch=yhetil.org@gnu.org"; dmarc=fail reason="SPF not aligned (relaxed)" header.from=univ-grenoble-alpes.fr (policy=none) ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=yhetil.org; s=key1; t=1702600240; h=from:from:sender:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:list-id:list-help: list-unsubscribe:list-subscribe:list-post:dkim-signature; bh=itA7QhmQ5pAUmNaT0JVY4c4V+pvKLcy4vHwK4RSXn00=; b=T4Ghvf93U0lwQbT0zA0v/bHt0sWm3MwlMPwpbt/mxUgy82D7v2/Q9arNmDdyMQJcfzOph8 ZR7rVI8cGzZ1SyvDTscWKCPdXXeGq1m4SbwKkYkWj8lKJVJoVG3CtRxPbImrql9HE6ORbZ PSb5p+aIfO0HZMvrJNw81wbNkrmfz+sZCoPPdBqEpQ6rSfaXILEjaEivk1NdR9lS83kEL3 IEQm09/ofgVzBsq3VBh7cF1pJn4KHEwHwAA8k7YhHrLKJd5g5xYH5X3csvpu6IwQvar0+f fRT0GrW1VyPDcA+d/GBSC7LolFlP+kpHQalYt5VINtS9UXfaVftYG2bC3N2uHw== ARC-Seal: i=1; s=key1; d=yhetil.org; t=1702600240; a=rsa-sha256; cv=none; b=l038QvMuVYhPvIKoKzAKglLr89boBpkt3QvChC570xxccEhxqvQwoDcBkRd9GKdHQo8ZUb CRudDH7V6n4QdNL7KvJnm7ExFzd/fx0faKeokRk6BVJiwsMjCYpdhKoU1eH38cUuLqV7IS UOSF6/+H+em8/39L9kGQKicYh9r8CyK8zJZyzhD7GxAc1Xt34gECyQUnsj0IP32zjKP7wd Y5NoqmwsWRug9J/EtE9K5obIem3Oq+o9TMKOJR80xWx+wNiQgvC7KHethyMxvYcRpLzNbw /puOk1B274BeaW0kGko6bqqMuLcnqu2fkb4sk03xDFToNv4P1lb7312psYF8nQ== ARC-Authentication-Results: i=1; aspmx1.migadu.com; dkim=fail ("body hash did not verify") header.d=univ-grenoble-alpes.fr header.s=2020 header.b=xazVJU1J; spf=pass (aspmx1.migadu.com: domain of "help-guix-bounces+larch=yhetil.org@gnu.org" designates 209.51.188.17 as permitted sender) smtp.mailfrom="help-guix-bounces+larch=yhetil.org@gnu.org"; dmarc=fail reason="SPF not aligned (relaxed)" header.from=univ-grenoble-alpes.fr (policy=none) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by aspmx1.migadu.com (Postfix) with ESMTPS id AA44015800 for ; Fri, 15 Dec 2023 01:30:40 +0100 (CET) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rDw5p-0002IM-Mx; Thu, 14 Dec 2023 19:30:25 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rDniq-0006qO-JZ; Thu, 14 Dec 2023 10:34:00 -0500 Received: from zm-mta-out-3.u-ga.fr ([152.77.200.56]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rDnin-0005pf-Os; Thu, 14 Dec 2023 10:34:00 -0500 Received: from mailhub.u-ga.fr (mailhub-1.u-ga.fr [129.88.178.98]) by zm-mta-out-3.u-ga.fr (Postfix) with ESMTP id DF80940240; Thu, 14 Dec 2023 16:33:52 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=univ-grenoble-alpes.fr; s=2020; t=1702568032; bh=lAUG8p4fBQMFrSmsM4tRXlehfAlIktRdlpDVbdifZ0Y=; h=From:Subject:Date:In-Reply-To:Cc:To:References:From; b=xazVJU1JLgbiHEI8cNGkRrv3CYS5CcRc1OYtHXil1B7IYAa6GfBrV5k5efZv3Jowe D8QDdNLHZN3vF6ph32o0groYhMkT9kOf0W0FSUK1FL2I033QAGV7MQQOwJt7QjLE7l rDJ/VPn9aIzJMjfAlGri0aOENjAbqWI20SJ0OlyNQzWJ1qSHvyKlceuXnzle06UXwv 5OG3bN5vh+r+KGtCGY1H+QxN5jzBEjQWK7HBp+v6YCyj8dZyYD4FxS8yrtVj0jOhVP oeYgwtH37EToUlvjW1xcnP9/Y44A5GfkuJjaItQ0Su5285lexVljHz2FHBNXgT/ffo KtO6MUYxisNhA== Received: from smtps.univ-grenoble-alpes.fr (smtps2.u-ga.fr [152.77.18.2]) by mailhub.u-ga.fr (Postfix) with ESMTP id DCD2410005A; Thu, 14 Dec 2023 16:33:52 +0100 (CET) Received: from smtpclient.apple (i15-les01-ntr-62-34-148-47.sfr.lns.abo.bbox.fr [62.34.148.47]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: bouttiep@univ-grenoble-alpes.fr) by smtps.univ-grenoble-alpes.fr (Postfix) with ESMTPSA id 53218140052; Thu, 14 Dec 2023 16:33:52 +0100 (CET) From: Pierre-Antoine Bouttier Message-ID: Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3774.200.91.1.1\)) Subject: Re: guix on nfs based systems Date: Thu, 14 Dec 2023 16:33:41 +0100 In-Reply-To: Cc: Ricardo Wurmus , Felix Lechner , help-guix@gnu.org, guix-science@gnu.org To: "Etienne B. Roesch" References: <87pm00mxkg.fsf@lease-up.com> <87plz8alhc.fsf@mdc-berlin.de> X-Mailer: Apple Mail (2.3774.200.91.1.1) X-Greylist: Whitelist-UGA SMTP Authentifie (bouttiep@univ-grenoble-alpes.fr) via smtps-465 ACL (42) Received-SPF: pass client-ip=152.77.200.56; envelope-from=Pierre-Antoine.Bouttier@univ-grenoble-alpes.fr; helo=zm-mta-out-3.u-ga.fr X-Spam_score_int: -43 X-Spam_score: -4.4 X-Spam_bar: ---- X-Spam_report: (-4.4 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-Mailman-Approved-At: Thu, 14 Dec 2023 19:30:03 -0500 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.29 X-BeenThere: help-guix@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: help-guix-bounces+larch=yhetil.org@gnu.org Sender: help-guix-bounces+larch=yhetil.org@gnu.org X-Migadu-Flow: FLOW_IN X-Migadu-Country: US X-Migadu-Spam-Score: -3.45 X-Spam-Score: -3.45 X-Migadu-Queue-Id: AA44015800 X-Migadu-Scanner: mx11.migadu.com X-TUID: taZWxnaLrEda Message-ID: <20231214153341.2QKsQt4MEppHsRtYypwHReziPhPu3xOnvenbJNvkgrE@z> Hi Etienne,=20 > The issue with profiles you are mentioning is interesting; I haven't = quite > thought it through yet. I think I would personally want users to be = able to > create profiles (for reproducibility reasons) but I guess it would = work the > same way with guix shells built from manifests, maybe slightly less = easy to > interact with, I don't know. As part of the support team in a HPC center that provides guix command = to our users to set up their software environments, we advice them to = use guix shell rather than guix profile and most of them are pretty = happy with that.=20 Obviously, you need to write a good documentation :) My 2 cents P-A --- Pierre-Antoine Bouttier CNRS Research Engineer Dir. Adj. UAR GRICAD GriCAD - https://gricad.univ-grenoble-alpes.fr/ Batiment IMAG CS 40700 38058 Grenoble CEDEX 9 +33 4 57 42 18 66 > Le 14 d=C3=A9c. 2023 =C3=A0 16:28, Etienne B. Roesch = a =C3=A9crit : >=20 > Thanks a ton! >=20 > I think we've arrived at the limit of how I understand the daemon to = work, > and GUIX_DAEMON_SOCKET. I think I understand that you are using a = single > node (hpc of sort I imagine), where users create sessions, and within = which > you provide the guix command, having set up GUIX_DAEMON_SOCKET to a > unix-domain socket (to that same node / itself). That makes total = sense in > the context of the single node. Did I get that right? >=20 > I think what we are aiming for, in our case (where users each have = their > own nodes as it were, only sharing network drives), is providing the = guix > command on each node, set up with GUIX_DAEMON_SOCKET connecting with = ssh to > a master node with a daemon, that itself would have access to the same > network drives. >=20 >=20 > Etienne >=20 > On Thu, Dec 14, 2023 at 2:48=E2=80=AFPM Ricardo Wurmus = > wrote: >=20 >>=20 >> "Etienne B. Roesch" writes: >>=20 >>> Hiccups: we provide home dirs as nfs drives through the network. = Using >> guix, we are thinking of creating one nfs drive, shared by all >>> users, to contain /var/guix and /gnu/store, symlinked from /. >>> As I understand, that should work, until a user decides to run "guix = gc" >> (which would clear wrongly assumed unused profiles) or maybe >>> until a user decides to launch several vms (which is theoretically >> possible, but doesn't happen often). >>=20 >> I would strongly discourage the use of profiles in users=E2=80=99 = home >> directories. When introducing Guix we now only demo =E2=80=9Cguix = shell=E2=80=9D, which >> is preferrable in most cases. =E2=80=9Cguix gc=E2=80=9D is = problematic when profile >> links are in locations that the daemon cannot read. >>=20 >>> Efraim suggested using a shared daemon ssh-ing GUIX_DAEMON_SOCKET. = We >>> would probably run this on a separate vm. We are however unsure how = it >>> would behave when /var/guix/daemon-socket/socket is itself on an = nfs. >>=20 >> We only export /var/guix/profiles, not anything else in /var/guix. >> Using GUIX_DAEMON_SOCKET with a network port (make =E2=80=9Cguix-daemon= =E2=80=9D listen >> on that port) is all we ever needed. >>=20 >> -- >> Ricardo Wurmus >>=20 >> System administrator >> BIMSB - Scientific Bioinformatics Platform >> Max Delbrueck Center for Molecular Medicine >>=20 >> email: ricardo.wurmus@mdc-berlin.de >> tel: +49 30 9406 1796 >>=20