From owner-freebsd-questions@freebsd.org Wed Jul 15 14:05:16 2020 Return-Path: Delivered-To: freebsd-questions@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 9767C367023; Wed, 15 Jul 2020 14:05:16 +0000 (UTC) (envelope-from tech-lists@zyxst.net) Received: from out5-smtp.messagingengine.com (out5-smtp.messagingengine.com [66.111.4.29]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4B6K0C28Mhz4X2S; Wed, 15 Jul 2020 14:05:14 +0000 (UTC) (envelope-from tech-lists@zyxst.net) Received: from compute3.internal (compute3.nyi.internal [10.202.2.43]) by mailout.nyi.internal (Postfix) with ESMTP id 54E315C00FD; Wed, 15 Jul 2020 10:05:14 -0400 (EDT) Received: from mailfrontend2 ([10.202.2.163]) by compute3.internal (MEProxy); Wed, 15 Jul 2020 10:05:14 -0400 DKIM-Signature: v=1; a=rsa-sha256; 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Wed, 15 Jul 2020 10:05:13 -0400 (EDT) Date: Wed, 15 Jul 2020 15:04:44 +0100 From: tech-lists To: freebsd-questions@freebsd.org Cc: freebsd-virtualization@freebsd.org Subject: zfs compression of a volume Message-ID: <20200715140444.GA72748@bastion.zyxst.net> Mail-Followup-To: freebsd-questions@freebsd.org, freebsd-virtualization@freebsd.org MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="2oS5YaxWCcQjTEyO" Content-Disposition: inline X-Rspamd-Queue-Id: 4B6K0C28Mhz4X2S X-Spamd-Bar: ----- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=zyxst.net header.s=fm3 header.b=YMv891Vs; dkim=pass header.d=messagingengine.com header.s=fm3 header.b=H5BegERW; dmarc=none; spf=pass (mx1.freebsd.org: domain of tech-lists@zyxst.net designates 66.111.4.29 as permitted sender) smtp.mailfrom=tech-lists@zyxst.net X-Spamd-Result: default: False [-5.23 / 15.00]; RCVD_VIA_SMTP_AUTH(0.00)[]; ARC_NA(0.00)[]; R_DKIM_ALLOW(-0.20)[zyxst.net:s=fm3,messagingengine.com:s=fm3]; NEURAL_HAM_MEDIUM(-1.09)[-1.089]; FROM_HAS_DN(0.00)[]; RWL_MAILSPIKE_GOOD(0.00)[66.111.4.29:from]; TO_MATCH_ENVRCPT_ALL(0.00)[]; R_SPF_ALLOW(-0.20)[+ip4:66.111.4.29]; MIME_GOOD(-0.20)[multipart/signed,text/plain]; TO_DN_NONE(0.00)[]; DMARC_NA(0.00)[zyxst.net]; NEURAL_HAM_LONG(-1.02)[-1.018]; RCVD_COUNT_THREE(0.00)[4]; DKIM_TRACE(0.00)[zyxst.net:+,messagingengine.com:+]; RCPT_COUNT_TWO(0.00)[2]; NEURAL_HAM_SHORT(-0.42)[-0.425]; SIGNED_PGP(-2.00)[]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+,1:+,2:~]; RCVD_TLS_LAST(0.00)[]; ASN(0.00)[asn:11403, ipnet:66.111.4.0/24, country:US]; RCVD_IN_DNSWL_LOW(-0.10)[66.111.4.29:from] X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 15 Jul 2020 14:05:16 -0000 --2oS5YaxWCcQjTEyO Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi, If a zfs-backed bhyve instance is created, and compression is not set, if t= he instance is turned off, then compression set on the host for the volume (and then the bhyve instance is started), is the instance compressed in its entirety at that time, or just data subsequently added to it? thanks, --=20 J. --2oS5YaxWCcQjTEyO Content-Type: application/pgp-signature; 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