From owner-freebsd-current@freebsd.org Thu Apr 15 19:07:33 2021 Return-Path: Delivered-To: freebsd-current@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 256325D313D for ; Thu, 15 Apr 2021 19:07:33 +0000 (UTC) (envelope-from olav@backupbay.com) Received: from mail-ej1-x636.google.com (mail-ej1-x636.google.com [IPv6:2a00:1450:4864:20::636]) (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 1O1" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4FLpkW6ymdz4k0x for ; Thu, 15 Apr 2021 19:07:31 +0000 (UTC) (envelope-from olav@backupbay.com) Received: by mail-ej1-x636.google.com with SMTP id e14so38446106ejz.11 for ; Thu, 15 Apr 2021 12:07:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=backupbay-com.20150623.gappssmtp.com; s=20150623; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=Q4Z2U4FfyKvY+vvoe822lnbfO2TeAoNOsdahbqgUGjE=; b=qcLrY/gSIU5QMxTb+Zh7n6hFh3EMc0SL/xV+afDIONqeBQoMTcHGTkXIXcF3HwsZ/t 7f0zbwyLkJWJeCQF3q7nl6uJEubgGJJPMxHgGH99blekN1P4K5npUG+ygHgHIQT1AmcR CEhf6swp+i9m90f0P7xwE3blSteM/Ee1H5uu2GpfTDBppaHktiW5Sxt+/i4vNuDhWR/S KJbFrduDZQIMocyzRe4Mwq7hbjDHGN5CCw+8963U4CNfG1ab1U63ZURs4GaizvEbpdhz eNTiNE/ocOlfrbdHQJ6cmLmBTOnUENpmGjk63hWsqNfKUqtJ6Jrb0B8yy2LR1mTo0Mvu 3Qog== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=Q4Z2U4FfyKvY+vvoe822lnbfO2TeAoNOsdahbqgUGjE=; b=NrMOzweo1WJheXKRNaqrQsIZqzl4jl2hCUO/hwiYCXKbPzg/GSceB2xVUTEOP4ZXvC fFDyPoxLbMmlF0y0euEoriffIcJ/A33cLvR7s7o/UFQ7vwxwGkdq87uJdT6Y7aLmn9Za tOkfcoisHnoLL5nzwBRuS9dn8y3apRvOG/u8F310ywfhkjPmgX+MtJfMLX9WvUEmmtJk +2IZRl/H1pwUEi3VY0PprFZf3zlEeUx25iNMlDf5cjoPuO2WnfPtxRN06kGRik6MGMfq XG0vGS0U28wSWMGIeuVBKejf2qgM+A8X/Uq/xCYvMWF8dzE8I8gd4w/PlF1mOhvPbW1B N/1g== X-Gm-Message-State: AOAM5300sVwl0+/h2/8NRK640nUMnaeUrLAaj19bWR8Fd2Q78tm+r20B srw39zka2aq2g98jRIhdAxLFc/7VJzVmED4zyr41OLVP2MU3Rg== X-Google-Smtp-Source: ABdhPJyZ6UpBzuOJvXn7AWrbpLHqU4XFaV2axibe0RWGsD8PjJoSY4txMbGDPbdZiA5vRJl7l3AzDHKMi4fEC8D9FDg= X-Received: by 2002:a17:906:af5a:: with SMTP id ly26mr4867471ejb.372.1618513649102; Thu, 15 Apr 2021 12:07:29 -0700 (PDT) MIME-Version: 1.0 References: <902a3c81-2ce8-49c0-b163-5ffa4b90afe5@www.fastmail.com> In-Reply-To: From: Olav Gjerde Date: Thu, 15 Apr 2021 21:07:18 +0200 Message-ID: Subject: Re: NFS issues since upgrading to 13-RELEASE To: Allan Jude Cc: freebsd-current@freebsd.org X-Rspamd-Queue-Id: 4FLpkW6ymdz4k0x X-Spamd-Bar: --- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=backupbay-com.20150623.gappssmtp.com header.s=20150623 header.b=qcLrY/gS; dmarc=none; spf=softfail (mx1.freebsd.org: 2a00:1450:4864:20::636 is neither permitted nor denied by domain of olav@backupbay.com) smtp.mailfrom=olav@backupbay.com X-Spamd-Result: default: False [-3.30 / 15.00]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; R_DKIM_ALLOW(-0.20)[backupbay-com.20150623.gappssmtp.com:s=20150623]; RCVD_TLS_ALL(0.00)[]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; MIME_GOOD(-0.10)[multipart/alternative,text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-current@freebsd.org]; DMARC_NA(0.00)[backupbay.com]; R_SPF_SOFTFAIL(0.00)[~all:c]; SPAMHAUS_ZRD(0.00)[2a00:1450:4864:20::636:from:127.0.2.255]; TO_MATCH_ENVRCPT_SOME(0.00)[]; DKIM_TRACE(0.00)[backupbay-com.20150623.gappssmtp.com:+]; RCPT_COUNT_TWO(0.00)[2]; RCVD_IN_DNSWL_NONE(0.00)[2a00:1450:4864:20::636:from]; NEURAL_HAM_SHORT(-1.00)[-1.000]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+,1:+,2:~]; RBL_DBL_DONT_QUERY_IPS(0.00)[2a00:1450:4864:20::636:from]; ASN(0.00)[asn:15169, ipnet:2a00:1450::/32, country:US]; RCVD_COUNT_TWO(0.00)[2]; MAILMAN_DEST(0.00)[freebsd-current] X-Mailman-Approved-At: Fri, 16 Apr 2021 05:30:17 +0000 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.34 X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 15 Apr 2021 19:07:33 -0000 I have the same issue, using Ubuntu 20.10 with Linux 5.8 kernel. The Linux NFS client will get unresponsive and it does not recover in my case, even if I restart NFS on FreeBSD. I upgraded from FreeBSD 12.1-RELEASE though. On Thu, Apr 15, 2021 at 8:36 PM Allan Jude wrote: > On 4/15/2021 9:22 AM, Chris Roose wrote: > > I posted this in -questions and someone suggested I post here as well. > > > > I'm having NFS availability issues between my Proxmox client and FreeBS= D > server (10G link) since upgrading to 13-RELEASE. And unfortunately I > upgraded my ZFS pool to v2.0.0 before I noticed the issue, so I'm kind of > stuck. > > > > Periodically, the NFS server (I've tried both v3 and v4.2 clients) will > go unresponsive for several minutes. I never had this problem on 12.2, an= d > as far as I can tell it's not a disk or network I/O issue. I'll get sever= al > "nfs: server not responding, still trying" messages on the client and a f= ew > minutes later it usually recovers. It's not clear to me yet what's causin= g > the block. Restarting nfsd on the server will resolve the issue if it > doesn't clear itself. > > > > Any pointers for troubleshooting this? I've been looking through vmstat= , > gstat, top, etc. when the problem occurs, but I haven't been able to > pinpoint the issue. I can get pcap, but it would be from the hosts, becau= se > I don't have a 10G tap or managed switch. > > > > run `nfsstat -d 1` and try to capture a few lines from before, during, > and after the stall, and that may provide some insight. > > Specifically, does the queue length grow, suggesting it is waiting on > the I/O subsystem, or does it just stop getting traffic all together. > > > -- > Allan Jude > _______________________________________________ > freebsd-current@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org= " > --=20 Kind Regards / Med Vennlig Hilsen Olav Gr=C3=B8n=C3=A5s Gjerde BackupBay Gjerde Madlaforen 35 4042 HAFRSFJORD Norway Phone: +47 918 000 59