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s=badeba3b8450; t=1607466279; bh=C446qk518Jfxp2KLf4AbEm4S6JmqCd6vg8S/lfZDwOc=; h=X-UI-Sender-Class:From:To:Cc:Subject:Date:In-Reply-To:References; b=H7mItoaLxITad7KV4zfDU4ianNRJNlQBkoLGczFT4r2j9MBRPrcIkRH6aXQb7m5HB UrirxuJu3KQ+JWDQYJv195qzQ0kLMlJo6KT7OarPDEUGIEtK3ySQncWPYWOrYeYqM+ j3E3vKUTvurlbClSzJrhTNa3u9HtkX3ihQmGMKGE= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from monk.localnet ([79.211.252.228]) by mail.gmx.com (mrgmx005 [212.227.17.190]) with ESMTPSA (Nemesis) id 1MMXQ5-1kTAeE084l-00JcUG; Tue, 08 Dec 2020 23:19:37 +0100 From: Dennis Schridde To: linux-lvm@redhat.com Date: Tue, 08 Dec 2020 23:19:31 +0100 Message-ID: <5447546.DvuYhMxLoT@monk> In-Reply-To: <4384449.LvFx2qVVIh@monk> References: <4384449.LvFx2qVVIh@monk> MIME-Version: 1.0 X-Provags-ID: V03:K1:MAMJCgk3l/hukmc6iBkX6TDpOP1As1ukxy/6gNzPf89xWrqXYUk t8/+18PIoT++3TKkC5tdU+aR+SuWyGD69RWSgMWnDq3brb4Vuv0SCkwDJ7qeJHivy7BzgN1 13HUFdrRO+D6WWTNk7OtA0tv33KSGVvYzMhXir62AThDeyt1UGwfRb8Qf9bGGx6/A0Q+VxE 47rOBoswyk/wab1a92sRQ== X-UI-Out-Filterresults: notjunk:1;V03:K0:aCKeKcEtujM=:A5i1LTjseDp/J2o4cV92Hf dTGe2bh1c2k/pLII6h/c5X3wVaDOLY5scboNKlwlVK39jarqw6myajhbW0PwVBxzIbfpVj3F7 WtNs5go3Q14LkoEHKAgFbbuVjW96BNzHONd5/v78/ZYuQFsYvcpxGdOtXdugJb2q+DbA1dJdD /0fSpQoXnZwQQatHXmi9U+VMA3L0Yo1/I+WTmNIVZvPcv6Ia5nKT8Jn7HuSZLrTNMnshzwpww 7rOId8U7a6ArB8E5yS0/io9qqs4S10oH01XmkDisHGWef5r9Fb/INa0BK7Cbah1cw3werywrC H/PAP/A26+8D8in4c0oCKxd3ggaqXqRftDYmjB12V7lBec83wRzkR0FDDM05QJ4T7o3aOXkCb odgJQXy1P9DVzD93usr4H2Tv5QXWhjB3sM2tqsnDJ7YDx35crIoUE5DdcWiPHIefBhmMfy9It ckrauo43N1+au7gZgrCMm7/PKbqFws2NRYNkmRVXxzw8M1bIEFXzabXiNDDY4VXVQhOGzm7sc yqoaDb9O1OsR3yTlELWpqvccPsH4tDd5C7teKN8w12myEjyf8+cq9FAP92+Td8ex3RMaK2bgk 3PwIeUq3SsyTZqAkeXL3nwCRem5MGvvBQ+4Z7+z9cPPctF/urUVMnJe0nGpN1c+lSGZ+1mqe9 4EJOd9F91B58oBM3Ki9ooiWWkbqBBGW2RNtZuZJcZ9+I92RQyyecCrt6mhxPXqInW0wyeiQv6 KZZzsHA4Jj/HxezMzFZH6uwUxTWwwnjCpBzuJ6nPITdeP7g2Xxgkeoe75K3oSGKqX5FIGwHWQ M8b2ZypJctPGgbX9BHnPAfzpCehOTp8okuSsAE3qKLooBDe9GzrthcLyn56Zb+TnKnsfym6xE iMCWOec2jQF+5VAr7xtA== Authentication-Results: relay.mimecast.com; dkim=pass header.d=gmx.net header.s=badeba3b8450 header.b=H7mItoaL; dmarc=pass (policy=none) header.from=gmx.net; spf=pass (relay.mimecast.com: domain of devurandom@gmx.net designates 212.227.15.19 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: Dennis Schridde 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="===============1571748592519083518==" Sender: linux-lvm-bounces@redhat.com Errors-To: linux-lvm-bounces@redhat.com X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 --===============1571748592519083518== Content-Type: multipart/signed; boundary="nextPart5695294.lOV4Wx5bFT"; micalg="pgp-sha256"; protocol="application/pgp-signature" --nextPart5695294.lOV4Wx5bFT Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="us-ascii"; protected-headers="v1" From: Dennis Schridde To: linux-lvm@redhat.com Cc: Dennis Schridde Subject: Re: [linux-lvm] cache_check --clear-needs-check-flag does not clear needs_check flag? Date: Tue, 08 Dec 2020 23:19:31 +0100 Message-ID: <5447546.DvuYhMxLoT@monk> In-Reply-To: <4384449.LvFx2qVVIh@monk> References: <4384449.LvFx2qVVIh@monk> On Sonntag, 6. Dezember 2020 22:01:37 CET Dennis Schridde wrote: > [...] > $ sudo lvchange -ay vg_ernie/lv_cache > Do you want to activate component LV in read-only mode? [y/n]: y > Allowing activation of component LV. > [...] > Is it possible that `cache_check --clear-needs-check-flag does not clear > needs_check flag` does not actually clear the needs_check flag in my case= ? I suspect that this has something to do with the read only status of the LV= ... What if the superblock gets changed, but is then not written back to the LV= , because it is read only, and failure to write it back was not treated as an error? I dd-ed lv_cache into a file, ran cache_check --clear-needs-check-f= lag on it, and then tried to dd it back to the LV. Sadly that results in a permission denied error. I was not able to figure out how to force writing= it back. --Dennis --nextPart5695294.lOV4Wx5bFT Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part. 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