From nobody Tue Jul 18 21:16:18 2023 X-Original-To: freebsd-questions@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 4R5BZv5gGBz4nqJf for ; Tue, 18 Jul 2023 21:16:23 +0000 (UTC) (envelope-from pat@patmaddox.com) Received: from out4-smtp.messagingengine.com (out4-smtp.messagingengine.com [66.111.4.28]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4R5BZv01Flz3rP1 for ; Tue, 18 Jul 2023 21:16:22 +0000 (UTC) (envelope-from pat@patmaddox.com) Authentication-Results: mx1.freebsd.org; dkim=pass header.d=patmaddox.com header.s=fm2 header.b="q H2+g/f"; dkim=pass header.d=messagingengine.com header.s=fm3 header.b=F02iMr+a; spf=pass (mx1.freebsd.org: domain of pat@patmaddox.com designates 66.111.4.28 as permitted sender) smtp.mailfrom=pat@patmaddox.com; dmarc=none Received: from compute4.internal (compute4.nyi.internal [10.202.2.44]) by mailout.nyi.internal (Postfix) with ESMTP id BF9715C00C3; Tue, 18 Jul 2023 17:16:20 -0400 (EDT) Received: from mailfrontend1 ([10.202.2.162]) by compute4.internal (MEProxy); Tue, 18 Jul 2023 17:16:20 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=patmaddox.com; h=cc:content-transfer-encoding:content-type:content-type:date :date:from:from:in-reply-to:message-id:mime-version:reply-to :sender:subject:subject:to:to; s=fm2; t=1689714980; x= 1689801380; bh=hK5EFcWGAbzO521nyrJUcYBRq32oaNeuHV3thasDaDk=; b=q H2+g/fpEhWyGGVlGW+Kf0QBwCgNnjmZfmIMj7y+R7SvUkr7Sni4wjZ8NylN9F0d2 Uy2JZB0XBq+LYzqxGVloSuhDhfOQSMhk/cPggS+p0+1XJ7tB6DGuX2n1Oaplh3Em qa3APLcWEs4e3iG9vo9UUhSRubd/NK7ayBXPNOePiFlIEfUCanqVlwhR+WCeJ5wX I1PYIi7aSoFVkibuIyYRdwX1HqO4zirk5c0Gg7x87PnxelktEwosVx/zAqJ+rf2I +wO3nc0TMrCA23yez7Ik3rxLLL/TFxYtE66k0E9AfboOCdkAcw/VeNsd8fLqeoWL bcW4L4R1TBn2kePExSiZQ== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:content-type :content-type:date:date:feedback-id:feedback-id:from:from :in-reply-to:message-id:mime-version:reply-to:sender:subject :subject:to:to:x-me-proxy:x-me-proxy:x-me-sender:x-me-sender :x-sasl-enc; s=fm3; t=1689714980; x=1689801380; bh=hK5EFcWGAbzO5 21nyrJUcYBRq32oaNeuHV3thasDaDk=; b=F02iMr+a2aO0InIfdd3mvgiJkuo1q e8mXHLtjL1oQIdVXmfYX8+0IMEoYlsdfBAatjDohwL5nrpf+40/HUTsv4AEOi8fG 4oCHk/n1ge6Edgri3l4a5XEYG5PcXmU1Mdr+LalFav3MG2IpdrHph8Go6ZXuRwpe siWUAm65OD2kdULG0gMNDb0Fnen9PWwLxegrxWjgfndxmIZ7jFlAgDTMZ1j7me0y xr48BvTWlbtH5AWDiwQGXPIeclHjYQmxeCJI6yNXCwBX2qWbti5/Q11l+Mcn9mXb Zm4IMb6v1Hn02wE+xpqr1G3nCbWB6AcNErkV250dqKvOj7U2IOSbz5uNA== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedviedrgeeggdduheeiucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmne cujfgurhephffvufffoffkgggtgfesthekmhdtredtjeenucfhrhhomhepfdfrrghtucfo rgguughogidfuceophgrthesphgrthhmrgguughogidrtghomheqnecuggftrfgrthhtvg hrnhepkeettedtteeggedvgefgkeetffekffeijeehteektddthffggfekkedtvedugfej necuvehluhhsthgvrhfuihiivgeptdenucfrrghrrghmpehmrghilhhfrhhomhepphgrth esphgrthhmrgguughogidrtghomh X-ME-Proxy: Feedback-ID: i8b6c40f9:Fastmail Received: by mail.messagingengine.com (Postfix) with ESMTPA for ; Tue, 18 Jul 2023 17:16:20 -0400 (EDT) From: "Pat Maddox" To: "User Questions" Subject: NFS on ZFS: make NFS export writable, but local mount read-only? Date: Tue, 18 Jul 2023 14:16:18 -0700 X-Mailer: MailMate (1.13.2r5673) Message-ID: <554CEBCE-4F10-4AE4-B8E8-434971B2AE7F@patmaddox.com> List-Id: User questions List-Archive: https://lists.freebsd.org/archives/freebsd-questions List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-questions@freebsd.org X-BeenThere: freebsd-questions@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8"; format=flowed; markup=markdown Content-Transfer-Encoding: 8bit X-Spamd-Result: default: False [-3.65 / 15.00]; SUBJECT_ENDS_QUESTION(1.00)[]; DWL_DNSWL_LOW(-1.00)[messagingengine.com:dkim]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; NEURAL_HAM_SHORT(-0.95)[-0.949]; R_DKIM_ALLOW(-0.20)[patmaddox.com:s=fm2,messagingengine.com:s=fm3]; R_SPF_ALLOW(-0.20)[+ip4:66.111.4.28]; MIME_GOOD(-0.10)[text/plain]; RCVD_IN_DNSWL_LOW(-0.10)[66.111.4.28:from]; RWL_MAILSPIKE_GOOD(-0.10)[66.111.4.28:from]; FREEFALL_USER(0.00)[pat]; PREVIOUSLY_DELIVERED(0.00)[freebsd-questions@freebsd.org]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_ONE(0.00)[1]; TO_MATCH_ENVRCPT_ALL(0.00)[]; DMARC_NA(0.00)[patmaddox.com]; RCVD_VIA_SMTP_AUTH(0.00)[]; MID_RHS_MATCH_FROM(0.00)[]; DKIM_TRACE(0.00)[patmaddox.com:+,messagingengine.com:+]; TO_DN_ALL(0.00)[]; RCVD_COUNT_THREE(0.00)[4]; ARC_NA(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; ASN(0.00)[asn:19151, ipnet:66.111.4.0/24, country:US]; MIME_TRACE(0.00)[0:+]; RCVD_TLS_LAST(0.00)[]; MLMMJ_DEST(0.00)[freebsd-questions@freebsd.org] X-Rspamd-Queue-Id: 4R5BZv01Flz3rP1 X-Spamd-Bar: --- I have a dataset that is intended as an NFS export. I have all that working. The thing is, I don’t want to be able to modify files on the host. It is purely a backup volume, so it should only be writable by NFS. Is it possible to mount the dataset as writable for NFS, but read-only for local host? Pat