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dkim=pass header.d=gmx.net header.s=badeba3b8450 header.b=KVf1JsAS; 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 2.78 on 10.11.54.6 X-loop: linux-lvm@redhat.com Cc: LVM general discussion and development 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="===============6501356290521198372==" Sender: linux-lvm-bounces@redhat.com Errors-To: linux-lvm-bounces@redhat.com X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 --===============6501356290521198372== Content-Type: multipart/signed; boundary="nextPart11909134.O9o76ZdvQC"; micalg="pgp-sha256"; protocol="application/pgp-signature" --nextPart11909134.O9o76ZdvQC Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="us-ascii"; protected-headers="v1" From: Dennis Schridde To: David Teigland Cc: LVM general discussion and development Subject: Re: [linux-lvm] cache_check --clear-needs-check-flag does not clear needs_check flag? Date: Wed, 09 Dec 2020 21:15:25 +0100 Message-ID: <2815973.mvXUDI8C0e@monk> In-Reply-To: <20201209193051.GC15208@redhat.com> References: <4384449.LvFx2qVVIh@monk> <5900102.lOV4Wx5bFT@monk> <20201209193051.GC15208@redhat.com> On Mittwoch, 9. Dezember 2020 20:30:51 CET David Teigland wrote: > On Wed, Dec 09, 2020 at 08:06:41PM +0100, Dennis Schridde wrote: > > How would you proceed to repair this cache? I can recreate it as a > > cachepool, but first I need to gain back access to the data, i.e. get > > into a state where I can --uncache. > > I know that cachevols do not yet work with lvconvert --repair, which uses > cache_repair, but this must be another case where cache_repair is still > needed. If this is writethough mode you should be able to simply drop th= e > cache with lvconvert --splitcache and then recreate it. Would this be safe if cache_dump showed all blocks are clean (dirty=3Dfalse= ), even if the cache was in writeback mode? --Dennis --nextPart11909134.O9o76ZdvQC Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part. 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