From owner-freebsd-fs@freebsd.org Sat Apr 11 19:26:46 2020 Return-Path: Delivered-To: freebsd-fs@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 9B147278B63 for ; Sat, 11 Apr 2020 19:26:46 +0000 (UTC) (envelope-from bounces+13739864-7f7e-freebsd-fs=freebsd.org@em848.distal.com) Received: from xtrwsxqr.outbound-mail.sendgrid.net (xtrwsxqr.outbound-mail.sendgrid.net [167.89.106.69]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) server-signature RSA-PSS (4096 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4904d205Ljz42Tc for ; Sat, 11 Apr 2020 19:26:45 +0000 (UTC) (envelope-from bounces+13739864-7f7e-freebsd-fs=freebsd.org@em848.distal.com) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=distal.com; h=content-type:mime-version:subject:from:in-reply-to: content-transfer-encoding:references:to:cc; s=s1; bh=A7VHvf3Ej7zZMr/VXZyh3dKzyxe4ppQCPQQBco1Pq44=; b=OKLmUBnlfSnRKHIhyBTELpu/Lz8Fg1yJtAphj4SMRwUJsSQHWXW4roRnDiAxoOih6kk7 Y9Gw6DeBOvzggOGzKm96FvD9oDnlqVVwEshoYN8Bq6Y/k0uTIgcW62+ypKqzsU1cBK9qMU a5UWW7k8YRy+uBSX8JfJv4/A788sRMSKY= Received: by filterdrecv-p3iad2-8ddf98858-mzxhd with SMTP id filterdrecv-p3iad2-8ddf98858-mzxhd-20-5E9219F0-15 2020-04-11 19:26:40.533023621 +0000 UTC m=+1448354.630915560 Received: from mail.distal.com (unknown) by ismtpd0053p1iad1.sendgrid.net (SG) with ESMTP id W7E0blXZS6-AGDq6F315Xg Sat, 11 Apr 2020 19:26:40.436 +0000 (UTC) Received: from magrathea.distal.com (magrathea.distal.com [2001:470:e24c:200:14a4:6888:ae02:b3bb]) by tristain.distal.com (OpenSMTPD) with ESMTPSA id f713286f (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256:NO); Sat, 11 Apr 2020 15:26:40 -0400 (EDT) Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 13.4 \(3608.80.23.2.2\)) Subject: Re: ZFS server has gone crazy slow From: Chris Ross In-Reply-To: <6fd7a561-462e-242d-5057-51c52d716d68@wp.pl> Date: Sat, 11 Apr 2020 19:26:40 +0000 (UTC) Content-Transfer-Encoding: quoted-printable Message-Id: <7AA1EA07-6041-464A-A39A-158ACD1DC11C@distal.com> References: <2182C27C-A5D3-41BF-9CE9-7C6883E43074@distal.com> <20200411174831.GA54397@fuz.su> <6190573D-BCA7-44F9-86BD-0DCBB1F69D1D@distal.com> <6fd7a561-462e-242d-5057-51c52d716d68@wp.pl> X-Mailer: Apple Mail (2.3608.80.23.2.2) X-SG-EID: =?us-ascii?Q?gDj=2Futz1vvM0Gg5Dx3C984MHE5rSknXbUiMX+7YYKy8H35YTA3nJpmg1IQ5mw9?= =?us-ascii?Q?RS2bD=2FH4Uluvnmedtzs9ncXatiP41xWyXwwbae2?= =?us-ascii?Q?R+buzy8N6IfrIRaugYCYsrK8v8Jf7zcl6OcCKOV?= =?us-ascii?Q?Sv+bBMMF1RppEZ15za7idmGbAFAMYYkJWQtqNpE?= =?us-ascii?Q?n15+ye1u4NqmDS6qkIkbg1IDzfsPuZzNVEyibs5?= =?us-ascii?Q?O5vPcBmx=2FaynZXOhH77bkjLjO3DAZMP4W6bFP4=2F?= =?us-ascii?Q?D3E0YGRlhdmKkesCLavGQ=3D=3D?= To: "Ireneusz Pluta/wp.pl" Cc: Robert Clausecker , freebsd-fs X-Rspamd-Queue-Id: 4904d205Ljz42Tc X-Spamd-Bar: --- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=distal.com header.s=s1 header.b=OKLmUBnl; dmarc=pass (policy=none) header.from=distal.com; spf=pass (mx1.freebsd.org: domain of bounces@em848.distal.com designates 167.89.106.69 as permitted sender) smtp.mailfrom=bounces@em848.distal.com X-Spamd-Result: default: False [-3.87 / 15.00]; RCVD_VIA_SMTP_AUTH(0.00)[]; R_SPF_ALLOW(-0.20)[+ip4:167.89.0.0/17:c]; MV_CASE(0.50)[]; RCVD_COUNT_THREE(0.00)[3]; TO_DN_ALL(0.00)[]; DKIM_TRACE(0.00)[distal.com:+]; DMARC_POLICY_ALLOW(-0.50)[distal.com,none]; FORGED_SENDER(0.30)[cross@distal.com,bounces@em848.distal.com]; FREEMAIL_TO(0.00)[wp.pl]; IP_SCORE(-1.67)[ipnet: 167.89.96.0/20(-4.61), asn: 11377(-3.67), country: US(-0.05)]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:11377, ipnet:167.89.96.0/20, country:US]; FROM_NEQ_ENVFROM(0.00)[cross@distal.com,bounces@em848.distal.com]; MID_RHS_MATCH_FROM(0.00)[]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; R_DKIM_ALLOW(-0.20)[distal.com:s=s1]; TAGGED_FROM(0.00)[13739864-7f7e-freebsd-fs=freebsd.org,freebsd]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_THREE(0.00)[3]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; MIME_GOOD(-0.10)[text/plain]; RCVD_TLS_LAST(0.00)[]; TO_MATCH_ENVRCPT_SOME(0.00)[]; RCVD_IN_DNSWL_NONE(0.00)[69.106.89.167.list.dnswl.org : 127.0.15.0]; RWL_MAILSPIKE_POSSIBLE(0.00)[69.106.89.167.rep.mailspike.net : 127.0.0.17] X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 11 Apr 2020 19:26:46 -0000 > On Apr 11, 2020, at 14:10, Ireneusz Pluta/wp.pl wrote: > W dniu 2020-04-11 o 20:02, Chris Ross pisze: >> And, I=E2=80=99m not sure how to check SMART values. This is a Dell ser= ver, and I=E2=80=99m 95% sure I have it=E2=80=99s RAID controller (Dell PER= C 6, mfi0) just set to provide JBOD for the two disks. Will the smartmonto= ols package be useful with disks on an mfi controller? > Does the controller expose these jbods as /dev/da? devices to the system = ? mfid devices. And, googling showed that I might want to use mfip to allow = me to access the drives for smartctl, and I=E2=80=99ll work on that more in= a bit.. But, Eugene was kind enough to point out something that should=E2=80=99ve b= een obvious, that I=E2=80=99d filled my ZFS volumes. I had a snapshot of e= verything from a while ago, and one of the filesystems contains large data = files. Deleting the snapshot on that volume freed things back to functiona= l. Thanks all. - Chris