Date: Sat, 28 Mar 2020 04:37:01 -0700 (PDT) From: "Rodney W. Grimes" <freebsd-rwg@gndrsh.dnsmgr.net> To: Graham Perrin <grahamperrin@gmail.com> Cc: freebsd-current@freebsd.org Subject: Re: OpenZFS: sysctl: unknown oid 'vfs.zfs.arc_max' Message-ID: <202003281137.02SBb1bG046850@gndrsh.dnsmgr.net> In-Reply-To: <87190f4d-4b0a-ce41-fd16-503baf9c6125@gmail.com>
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> 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 <https://pastebin.com/hTCTWPW2>: > > 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
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