From nobody Wed Apr 06 19:39:15 2022 X-Original-To: bugs@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 0F09C1A8168B for ; Wed, 6 Apr 2022 19:39:16 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (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-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4KYZZq4mFdz3wVw for ; Wed, 6 Apr 2022 19:39:15 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2610:1c1:1:606c::50:1d]) (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 mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 80070212FB for ; Wed, 6 Apr 2022 19:39:15 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 236JdF9c045040 for ; Wed, 6 Apr 2022 19:39:15 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 236JdFJG045039 for bugs@FreeBSD.org; Wed, 6 Apr 2022 19:39:15 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 263029] [mkimg] qcow2 images are not compressed by default Date: Wed, 06 Apr 2022 19:39:15 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: bin X-Bugzilla-Version: 13.1-RELEASE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: emaste@freebsd.org X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: bugs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Bug reports List-Archive: https://lists.freebsd.org/archives/freebsd-bugs List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-bugs@freebsd.org MIME-Version: 1.0 ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1649273955; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=ucKXrkzUee/EMwfuOoWK0khBD7Wf3GPNtY1xOfgWfUw=; b=aU17+RC/5/VHUWAY0OmN7DxTinn33hKF2fjprpbAXaiBcH79YSegonnkT25WHgxQhGvLX8 fy8QaIn2xBdlsRBjWRMNoHCUrrrxk+FdPwbV8iZuOPSOhJjF+flLF1+PY05JLN+x36oF1A qDUdmcT9mNEcu7V9SMfXXjRrdhcqFkUx+5JzTSCxGheWP2Exc4PzndEVWQ4vQefofCzDbf DpzHNvteHOv1t40eIcOO//pMM3+WLPMi0s2HhH4HWX9N/jAtW6ikEhf03TRyvKi3jJBaij XHRfADlMKYvXz3bTb392ap4OooR77MT2nCJatA53NeJa5FFIVutwal670+5Ezg== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1649273955; a=rsa-sha256; cv=none; b=cMi8KAvGPwqA16vU+ApcMTfoRi9z0uJSyKhydnvgWFUsh4h1hCyNYDwbCOAlnYDal9OaHc 12diA9WT5Zi4RLFv2rZg9cV9AJo4DpG3UmEg6EdxTzSeBs74T8tmd/ZrDUm6XJIRvOHU5C sgZgOb1vF8o1FTNE+h131NQqs6vrGpTuix6f4sQJ81mmPQfVe6phWdbOmKDiCWitUm+QjH sL1/KfA/J6XDPGIUA6BPsWqXMw3QJuyIeqsYmLeE1PQt0HBHiMk8F8ziJ/+9jO45mPCpGm Ju+dLPSWt46PUCegAjjbCOeXyLaOQptv45FMyiTYe+gZLtAnjQG6IGwYmSdfFw== ARC-Authentication-Results: i=1; mx1.freebsd.org; none X-ThisMailContainsUnwantedMimeParts: N https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D263029 --- Comment #3 from Ed Maste --- Starting with a 1G file of all zeros and converting I see: $ mkimg -f qcow2 -o mkimg.qcow2.out -s gpt -p freebsd-ufs:=3Dsparse -rw-r--r-- 1 emaste emaste 524288 Apr 6 15:28 mkimg.qcow2.out $ mkimg -f raw -o mkimg.raw.out -s gpt -p freebsd-ufs:=3Dsparse -rw-r--r-- 1 emaste emaste 1073744384 Apr 6 15:28 mkimg.raw.out $ qemu-img convert -S 1k -p -f raw -O qcow2 -c mkimg.raw.out qemu-img.out -rw-r--r-- 1 emaste emaste 458752 Apr 6 15:30 qemu-img.out $ hexdump -Cv mkimg.qcow2.out 00000000 51 46 49 fb 00 00 00 02 00 00 00 00 00 00 00 00 |QFI...........= ..| 00000010 00 00 00 00 00 00 00 10 00 00 00 00 40 01 00 00 |............@.= ..| mkimg indeed produces V2 $ hexdump -Cv qemu-img.out 00000000 51 46 49 fb 00 00 00 03 00 00 00 00 00 00 00 00 |QFI...........= ..| 00000010 00 00 00 00 00 00 00 10 00 00 00 00 40 00 0a 00 |............@.= ..| qemu-img produces V3 We can ask for qcow2 compat: $ qemu-img convert -S 1k -p -f raw -O qcow2 -o compat=3D0.10 -c mkimg.raw.o= ut qemu-img.compat.out -rw-r--r-- 1 emaste emaste 458752 Apr 6 15:36 qemu-img.compat.out $ hexdump -Cv qemu-img.compat.out 00000000 51 46 49 fb 00 00 00 02 00 00 00 00 00 00 00 00 |QFI...........= ..| 00000010 00 00 00 00 00 00 00 10 00 00 00 00 40 00 0a 00 |............@.= ..| It is now V2. --=20 You are receiving this mail because: You are the assignee for the bug.=