From owner-freebsd-current@freebsd.org Sat Mar 28 11:49:50 2020 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 275442792E5 for ; Sat, 28 Mar 2020 11:49:50 +0000 (UTC) (envelope-from freebsd-rwg@gndrsh.dnsmgr.net) Received: from gndrsh.dnsmgr.net (br1.CN84in.dnsmgr.net [69.59.192.140]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 48qH804vKMz3PbL for ; Sat, 28 Mar 2020 11:49:36 +0000 (UTC) (envelope-from freebsd-rwg@gndrsh.dnsmgr.net) Received: from gndrsh.dnsmgr.net (localhost [127.0.0.1]) by gndrsh.dnsmgr.net (8.13.3/8.13.3) with ESMTP id 02SBb1p4046851; Sat, 28 Mar 2020 04:37:01 -0700 (PDT) (envelope-from freebsd-rwg@gndrsh.dnsmgr.net) Received: (from freebsd-rwg@localhost) by gndrsh.dnsmgr.net (8.13.3/8.13.3/Submit) id 02SBb1bG046850; Sat, 28 Mar 2020 04:37:01 -0700 (PDT) (envelope-from freebsd-rwg) From: "Rodney W. Grimes" Message-Id: <202003281137.02SBb1bG046850@gndrsh.dnsmgr.net> Subject: Re: OpenZFS: sysctl: unknown oid 'vfs.zfs.arc_max' In-Reply-To: <87190f4d-4b0a-ce41-fd16-503baf9c6125@gmail.com> To: Graham Perrin Date: Sat, 28 Mar 2020 04:37:01 -0700 (PDT) CC: freebsd-current@freebsd.org X-Mailer: ELM [version 2.4ME+ PL121h (25)] MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=US-ASCII X-Rspamd-Queue-Id: 48qH804vKMz3PbL X-Spamd-Bar: / Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=none; spf=none (mx1.freebsd.org: domain of freebsd-rwg@gndrsh.dnsmgr.net has no SPF policy when checking 69.59.192.140) smtp.mailfrom=freebsd-rwg@gndrsh.dnsmgr.net X-Spamd-Result: default: False [0.94 / 15.00]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-0.33)[-0.328,0]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; MIME_GOOD(-0.10)[text/plain]; RCVD_TLS_LAST(0.00)[]; DMARC_NA(0.00)[dnsmgr.net]; AUTH_NA(1.00)[]; TO_MATCH_ENVRCPT_SOME(0.00)[]; ZRD_FAIL(0.00)[query timed out]; RCPT_COUNT_TWO(0.00)[2]; NEURAL_SPAM_LONG(0.33)[0.328,0]; R_SPF_NA(0.00)[]; FREEMAIL_TO(0.00)[gmail.com]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:13868, ipnet:69.59.192.0/19, country:US]; MID_RHS_MATCH_FROM(0.00)[]; IP_SCORE(0.04)[ip: (0.13), ipnet: 69.59.192.0/19(0.07), asn: 13868(0.03), country: US(-0.05)]; RCVD_COUNT_TWO(0.00)[2] X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.29 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: Sat, 28 Mar 2020 11:49:50 -0000 > This occurs when I enable OpenZFS: > > OpenZFS: sysctl: unknown oid 'vfs.zfs.arc_max' > > Is it to be deprecated? Or is it not yet a feature of OpenZFS for FreeBSD? > > From : > > grahamperrin@momh167-gjp4-8570p:~ % sysctl vfs.zfs.arc_max > sysctl: unknown oid 'vfs.zfs.arc_max' > grahamperrin@momh167-gjp4-8570p:~ % date ; uname -v > Wed 25 Mar 2020 04:52:22 GMT > FreeBSD 13.0-CURRENT #1 r359249: Tue Mar 24 00:12:27 GMT 2020 > root@momh167-gjp4-8570p:/usr/obj/usr/src/amd64.amd64/sys/GENERIC-NODEBUG > grahamperrin@momh167-gjp4-8570p:~ % kldstat | grep zfs > ?2??? 1 0xffffffff82108000?? 58ac58 openzfs.ko > grahamperrin@momh167-gjp4-8570p:~ % grep zfs /boot/loader.conf > # zfs_load="YES" > openzfs_load="YES" > grahamperrin@momh167-gjp4-8570p:~ % grep zfs /etc/sysctl.conf > vfs.zfs.min_auto_ashift=12 > # HP EliteBook 8570p 16 GB memory vfs.zfs.arc_max defaults to 15523106816 > # vfs.zfs.arc_max="7761553408" > vfs.zfs.arc_max="2147483648" > grahamperrin@momh167-gjp4-8570p:~ % zfs-stats -a Is zfs actually loaded? kldstat | grep zfs Does perhaps openZfs use a seperate tree? sysctl -a | grep arc_max -- Rod Grimes rgrimes@freebsd.org