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spf=pass (relay.mimecast.com: domain of devurandom@gmx.net designates 212.227.15.15 as permitted sender) smtp.mailfrom=devurandom@gmx.net Received: from mout.gmx.net (mout.gmx.net [212.227.15.15]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-580--e0K_aRCNLyMWIPPAH0Ziw-1; Wed, 09 Dec 2020 14:06:58 -0500 X-MC-Unique: -e0K_aRCNLyMWIPPAH0Ziw-1 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1607540816; bh=75yQBNsQELt3s8mupude4AQ/h8vX8HuAFcfVW595ouA=; h=X-UI-Sender-Class:From:To:Cc:Subject:Date:In-Reply-To:References; b=NUo+RZ3fgUAusFAHJidf7JnCSQD1vVgmo4UKeTJJP6m6FMx9P4QK0G4QGjILG//5W 0IzXPrDrKJJ6Ex3nDDBichUWPxI+D2T1isPdSvXl/zXgIqkrzru8T+Mj/POPeBsZAC H95KvMqUCOdQWfBoKbmKpeFT8gHeRV/ErYeuJPbE= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from monk.localnet ([79.211.252.228]) by mail.gmx.com (mrgmx004 [212.227.17.190]) with ESMTPSA (Nemesis) id 1MVvPD-1kf8q52H93-00RsOO; Wed, 09 Dec 2020 20:06:56 +0100 From: Dennis Schridde To: LVM general discussion and development Date: Wed, 09 Dec 2020 20:06:41 +0100 Message-ID: <5900102.lOV4Wx5bFT@monk> In-Reply-To: References: <4384449.LvFx2qVVIh@monk> MIME-Version: 1.0 X-Provags-ID: V03:K1:JT3IaFyVY+drwWoG1jBj8p/ahFqUGz8c93/58AFWGsAaRALCRX9 dV93Y+PTd/YFW3zd0mIOx5OlaeqloWw1CwOp93iIb1+jDlTyCTTFMnnltR1N+euwpNAvw1y ZjI/AQmYNEvT+SCWsbSpYMQCzAy4WMXH+PF+i9HHbdgtN8o9VWK5vAFcY//W+UMwwxdhjls 8zG0tGRoTUfz6XNXd3NVw== X-UI-Out-Filterresults: notjunk:1;V03:K0:i/d76wlY4MY=:jdoVx0TkFY0Vx0KMIMo+Af FmfS87QuBNOddL5D+Xz1t0A0Bn4wmiFfebN382Bw7V281T4+aFk5DZLsdTG9yBL56djKHuH+5 qXMXgVqdABsufQTKDDSh0Q9GPWnS1ZHnxl/xCPo+llM6TMrSGpRQNtNO4d7ohitqmJZNB/Q+o 3tQCr3L8S7NFCzDy9jPzJCJpFjs1F/1l77+6VIByuv1JnJEyrWecV5YCbywwkVCP0+QwuBBqC vgjvrV8PVWSMrhdNs3apxNKMFz9mZnwmYFlbGpi6M5vB48RjOQDMqfoAjvsF03Zbh+ETXC4iy tbiuIBNkQMn6M/79zgqCLmYtFtQPnmt/aezI5zp1YfcRB2zWMP7l52DYcSMS5/x40at3PEd+m /H/lIsekCKeBc4vNFbISyxBrOdetY9yNKYWdGjh2KANJjRtpIpLqa4dfTsL3ZxN0epHiH9dac eeQoHtncUNFU9GhNxr5AVju9gT4+nCN5UQUR8G9Uh5PCgFBRmXC29YTcXDyT3HN3lPHvfrDex w0Ll2oYEIRPUgI8HZii6MWyAAm7I8WfOnSw751eHC/SoueL2S8Ru7qfIkTbnyxa0x7h2Z4/pZ wGnB9hLUmWyzrQaHO4TgekajrjBXjK0vOMJHor5+qHTCaA1GH3WZ9hGVA0hsvBN38Wwv6v9Y5 5+MasRTWLEnsGkXCeiTa/TBP5Jst3EVijlEk4MGWjPMHXlHnC/R0HCwF7Z6tBSo1+kVF2GoW0 OHASP4MQzga2cnNTGickid9RMuHm/7fNgCKXflZGVI8RC7/AM3+liUYQIUuhpXcn/qPpyNonr 9GxpdboiXJSa43KIVLXYzkHwG5QemZ6irQry/Z5MoC1Z0ZGiAVSNU55UCI+U6tx/kLaqlE6ZB 4sgxjVj7Bh2xfUPd7Ecw== Authentication-Results: relay.mimecast.com; dkim=pass header.d=gmx.net header.s=badeba3b8450 header.b=NUo+RZ3f; dmarc=pass (policy=none) header.from=gmx.net; spf=pass (relay.mimecast.com: domain of devurandom@gmx.net designates 212.227.15.15 as permitted sender) smtp.mailfrom=devurandom@gmx.net X-Mimecast-Spam-Score: 0 X-Mimecast-Impersonation-Protect: Policy=CLT - Impersonation Protection Definition; Similar Internal Domain=false; Similar Monitored External Domain=false; Custom External Domain=false; Mimecast External Domain=false; Newly Observed Domain=false; Internal User Name=false; Custom Display Name List=false; Reply-to Address Mismatch=false; Targeted Threat Dictionary=false; Mimecast Threat Dictionary=false; Custom Threat Dictionary=false X-Scanned-By: MIMEDefang 2.79 on 10.11.54.5 X-loop: linux-lvm@redhat.com Cc: Zdenek Kabelac Subject: Re: [linux-lvm] cache_check --clear-needs-check-flag does not clear needs_check flag? X-BeenThere: linux-lvm@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk Reply-To: LVM general discussion and development List-Id: LVM general discussion and development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============0154809314481019401==" Sender: linux-lvm-bounces@redhat.com Errors-To: linux-lvm-bounces@redhat.com X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 --===============0154809314481019401== Content-Type: multipart/signed; boundary="nextPart4845882.31r3eYUQgx"; micalg="pgp-sha256"; protocol="application/pgp-signature" --nextPart4845882.31r3eYUQgx Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="us-ascii"; protected-headers="v1" From: Dennis Schridde To: LVM general discussion and development Cc: Zdenek Kabelac Subject: Re: [linux-lvm] cache_check --clear-needs-check-flag does not clear needs_check flag? Date: Wed, 09 Dec 2020 20:06:41 +0100 Message-ID: <5900102.lOV4Wx5bFT@monk> In-Reply-To: References: <4384449.LvFx2qVVIh@monk> Hello Zdenek! Thank you for your reply! On Mittwoch, 9. Dezember 2020 12:05:13 CET Zdenek Kabelac wrote: > Dne 06. 12. 20 v 22:01 Dennis Schridde napsal(a): > > The live system I am running these commands from is a Fedora 33: > > > > $ uname -a > > Linux localhost-live 5.8.15-301.fc33.x86_64 #1 SMP Thu Oct 15 16:58:06 = UTC > > 2020 x86_64 x86_64 x86_64 GNU/Linux > > > > $ sudo lvm version > > > > LVM version: 2.03.10(2) (2020-08-09) > > Library version: 1.02.173 (2020-08-09) > > Driver version: 4.42.0 > > It seems you are using 'cvol' instead of 'cpool' solution which has been > evolving and you will need a newer lvm2 version. > > If you want to using caching with the version of lvm2 you have - you will > need to use cpools (which are a bit faster anyway). 2.03.10 is the latest released version of lvm2. So I would have to use the Git main branch instead? A bit confusing is that the lvmcache(7) manpage of lvm2 2.03.10 suggests to create a cachevol as the first option: $ lvconvert --type cache --cachevol fast vg/main Should this be adjusted, if cachevols are not yet fully supported in 2.03.1= 0? How would you proceed to repair this cache? I can recreate it as a cachepo= ol, but first I need to gain back access to the data, i.e. get into a state whe= re I can --uncache. --Dennis --nextPart4845882.31r3eYUQgx Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part. 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