From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx1.redhat.com (ext-mx13.extmail.prod.ext.phx2.redhat.com [10.5.110.18]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s9OE90rb000506 for ; Fri, 24 Oct 2014 10:09:00 -0400 Received: from mail.fibbs.org (phineas.fibbs.org [109.234.106.32]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s9OE8wBI026316 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL) for ; Fri, 24 Oct 2014 10:08:59 -0400 Received: from localhost (localhost [127.0.0.1]) by mail.fibbs.org (Postfix) with ESMTP id DC274200598 for ; Fri, 24 Oct 2014 16:08:56 +0200 (CEST) Received: from mail.fibbs.org ([127.0.0.1]) by localhost (mail.fibbs.org [127.0.0.1]) (amavisd-new, port 10025) with ESMTP id Ph4ne2LXZCRx for ; Fri, 24 Oct 2014 16:08:56 +0200 (CEST) Received: from [192.168.178.100] (p50897F65.dip0.t-ipconnect.de [80.137.127.101]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client did not present a certificate) by mail.fibbs.org (Postfix) with ESMTPSA id 8826F200596 for ; Fri, 24 Oct 2014 16:08:56 +0200 (CEST) Message-ID: <544A5D76.2010800@mglug.de> Date: Fri, 24 Oct 2014 16:08:54 +0200 From: Oliver Rath MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [linux-lvm] What todo if metadata grows faster than pool data 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" To: LVM general discussion and development Hi list, in my thinpool-volume the used data is now 50% but the used metadata size is 82%. What happens, if the metadata a running full, bevor data is full? Do I have to modify metadata size explicitly or does lvm this automaticly? How can I do this? At the moment 78 volumes or snaps had been created from this winthinpool, mostly with size about 100GB. Tfh, OIiver --- Logical volume --- LV Name winthinpool VG Name dmivg LV UUID gDGkhM-jGQq-hSuZ-g4CZ-JtcQ-JcdX-DqD7bi LV Write Access read/write LV Creation host, time dmicn20, 2014-10-07 23:54:45 +0200 LV Pool metadata winthinpool_tmeta LV Pool data winthinpool_tdata LV Status available # open 73 LV Size 930,00 GiB Allocated pool data 50,73% Allocated metadata 82,61% Current LE 238080 Segments 1 Allocation inherit Read ahead sectors auto - currently set to 256 Block device 252:18