From nobody Mon Oct 09 09:36:55 2023 X-Original-To: freebsd-fs@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4S3v7p0YR4z4xBVF for ; Mon, 9 Oct 2023 09:37:10 +0000 (UTC) (envelope-from jdavidlists@gmail.com) Received: from mail-pg1-x536.google.com (mail-pg1-x536.google.com [IPv6:2607:f8b0:4864:20::536]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smtp.gmail.com", Issuer "GTS CA 1D4" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4S3v7n0w0Zz3ZFx for ; Mon, 9 Oct 2023 09:37:09 +0000 (UTC) (envelope-from jdavidlists@gmail.com) Authentication-Results: mx1.freebsd.org; dkim=pass header.d=gmail.com header.s=20230601 header.b="V3+sDcb/"; spf=pass (mx1.freebsd.org: domain of jdavidlists@gmail.com designates 2607:f8b0:4864:20::536 as permitted sender) smtp.mailfrom=jdavidlists@gmail.com; dmarc=pass (policy=none) header.from=gmail.com Received: by mail-pg1-x536.google.com with SMTP id 41be03b00d2f7-564b6276941so3180193a12.3 for ; Mon, 09 Oct 2023 02:37:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1696844227; x=1697449027; darn=freebsd.org; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:from:to:cc:subject:date :message-id:reply-to; bh=g7mb3d8RqlsTobc1xReWoUuo+pWOjqUU8Xys87afotE=; b=V3+sDcb/ENjBHfzIIphGzXQvgT/vEwTBjAbWrVaXMoOfj+JYD8H12kK2Hvc45rQ8L4 IrPbhIEeJyqGp80cQDbQTwcyYNJ14S3jmnFeESpU/2q2HO3q3sJhjOarELUhGARz6w3I hy2SdsbTEQK0oVM57O3r+ZI9igwd3DgU5tCjhYH3fRCPkGirpQRA3P6E8TREibxbeCRR 7SDa/onhx6lPihUZMkK8aHdlzfNVgjDnCITF2rwzeNMU7/x48GmrFCBeUCZk4Rmv/+6D Q3bNJSh7ZAWJJf9oOqH6FF6GS1EnbYeLyFsK2+W/AdKHLy90A4mZwGu19tzMwXvgM80E fF0g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1696844227; x=1697449027; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=g7mb3d8RqlsTobc1xReWoUuo+pWOjqUU8Xys87afotE=; b=sHS0Z6hN2KkaXLaV5ddk7LOErGCURH1B8HAowfAPRmaQiuP7oksX6OH1Bw7eYHiJN1 7kgRdJPYUrrN8RVfqWScD5U+p7D6d7/HOJk+LrVsqKyoaJoBMf9mL1/D9W5jxHlX68z3 vZH8NDKm9176kYdGnzQrTjgJg+bqFPAqWMGSsht69ArjQQWPi+8h2RURWjrm2NF3ZVzz eU/3VezCww0JnlsGeCXw1q+xwiYQbms3GGZQCcilOeCtSVKUGX6CsFbPRXrym8/dDWmW yQTcczTf5CFWv/QKI5QJbkGOgCLlxgFRLHS4jBQMwS5AFy7zuofpLRcxggciDbSalD0e jbWg== X-Gm-Message-State: AOJu0YxweKkzG1D5wl5FVeVWkHljmBBO/CD1LsnnNZ511bM7Uf13vTMd 4xe8Z3pycAoaXlxjKAvlMRrsHX4Kpz/ITSs6c6k= X-Google-Smtp-Source: AGHT+IF9fODnodWxthaCUK12sOrOZJNtgwoyzwoqBHtu81OVGLGAQjFBNERIld7BTS8BhfOp8mEvRpietGKXT5zl1nk= X-Received: by 2002:a17:90b:33c5:b0:27b:4909:aad1 with SMTP id lk5-20020a17090b33c500b0027b4909aad1mr3691051pjb.29.1696844227073; Mon, 09 Oct 2023 02:37:07 -0700 (PDT) List-Id: Filesystems List-Archive: https://lists.freebsd.org/archives/freebsd-fs List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-fs@freebsd.org MIME-Version: 1.0 References: In-Reply-To: From: J David Date: Mon, 9 Oct 2023 05:36:55 -0400 Message-ID: Subject: Re: FreeBSD 13.2 NFS client mount hangs To: Rick Macklem Cc: FreeBSD FS Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Spamd-Bar: --- X-Spamd-Result: default: False [-3.05 / 15.00]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; NEURAL_HAM_LONG(-1.00)[-0.999]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20230601]; R_SPF_ALLOW(-0.20)[+ip6:2607:f8b0:4000::/36]; MIME_GOOD(-0.10)[text/plain]; NEURAL_HAM_SHORT(-0.05)[-0.050]; FROM_HAS_DN(0.00)[]; TAGGED_RCPT(0.00)[]; FREEMAIL_FROM(0.00)[gmail.com]; PREVIOUSLY_DELIVERED(0.00)[freebsd-fs@freebsd.org]; ARC_NA(0.00)[]; RCVD_IN_DNSWL_NONE(0.00)[2607:f8b0:4864:20::536:from]; TO_MATCH_ENVRCPT_SOME(0.00)[]; DWL_DNSWL_NONE(0.00)[gmail.com:dkim]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US]; MLMMJ_DEST(0.00)[freebsd-fs@freebsd.org]; DKIM_TRACE(0.00)[gmail.com:+]; RCPT_COUNT_TWO(0.00)[2]; TO_DN_ALL(0.00)[]; MID_RHS_MATCH_FROMTLD(0.00)[]; TAGGED_FROM(0.00)[]; RCVD_COUNT_ONE(0.00)[1]; FROM_EQ_ENVFROM(0.00)[]; FREEMAIL_TO(0.00)[gmail.com]; FREEMAIL_ENVFROM(0.00)[gmail.com]; MIME_TRACE(0.00)[0:+]; RCVD_TLS_LAST(0.00)[] X-Rspamd-Queue-Id: 4S3v7n0w0Zz3ZFx On Mon, Oct 9, 2023 at 1:34=E2=80=AFAM Rick Macklem wrote: > LocalOwn and LocalOpens indicate that the server did start issuing > delegations. Yes, with that enabled, the Delegs value from "nfsstat -Ec" climbs into the low thousands. Performance does seem (gut feeling, not tested) to be improved until the LocalOwns/LocalOpens pile up. > All I can think of is that you have an environment where the > same file(s) get open'd by multiple processes. Yes. > The "oneopenown" option at least ensures that there is a single > open owner (without it, each process is a separate open owner). I don't know what issue the "It may not work correctly when Delegations are being issued by a server" warning about oneopenown refers to. Would that potential problem still be a concern if the only filesystem mounted with oneopenown were also mounted readonly and with nolockd? (Specifically: ro,nfsv4,minorversion=3D2,tcp,nosuid,noatime,nolockd,oneopen= own) Thanks!