From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx1.redhat.com (ext-mx18.extmail.prod.ext.phx2.redhat.com [10.5.110.47]) by smtp.corp.redhat.com (Postfix) with ESMTPS id E55B75D6B4 for ; Fri, 22 Jun 2018 18:13:28 +0000 (UTC) Received: from mr012msb.fastweb.it (mr012msb.fastweb.it [85.18.95.109]) by mx1.redhat.com (Postfix) with ESMTP id 8B81A30820CE for ; Fri, 22 Jun 2018 18:13:26 +0000 (UTC) MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Date: Fri, 22 Jun 2018 20:13:24 +0200 From: Gionatan Danti In-Reply-To: <6e53a6f7-9896-2905-92ad-6b9c36f565ab@redhat.com> References: <66e4dbc1-ca00-3abf-5100-d19f7439a281@magenta.tv> <6e53a6f7-9896-2905-92ad-6b9c36f565ab@redhat.com> Message-ID: <39a2408c600ed4caf00724eb72c191c2@assyoma.it> Subject: Re: [linux-lvm] Unable to un-cache logical volume when chunk size is over 1MiB Reply-To: LVM general discussion and development List-Id: LVM general discussion and development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , List-Id: Content-Type: text/plain; charset="us-ascii"; format="flowed" To: LVM general discussion and development Cc: Ryan Launchbury Il 20-06-2018 12:15 Zdenek Kabelac ha scritto: > Hi > > Aren't there any kernel write errors in your 'dmegs'. > LV becomes fragile if the associated devices with cache are having HW > issues (disk read/write errors) > > Zdenek Is that true even when using a writethrough cache mode? -- Danti Gionatan Supporto Tecnico Assyoma S.r.l. - www.assyoma.it email: g.danti@assyoma.it - info@assyoma.it GPG public key ID: FF5F32A8