From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx3.redhat.com (mx3.redhat.com [172.16.48.32]) by int-mx1.corp.redhat.com (8.13.1/8.13.1) with ESMTP id m5GLN2Bg028917 for ; Mon, 16 Jun 2008 17:23:02 -0400 Received: from mx03.syneticon.net (mx03.syneticon.net [87.79.32.166]) by mx3.redhat.com (8.13.8/8.13.8) with ESMTP id m5GLMIIs010082 for ; Mon, 16 Jun 2008 17:22:20 -0400 Received: from localhost (filter1.syneticon.net [192.168.113.3]) by mx03.syneticon.net (Postfix) with ESMTP id D277F960A for ; Mon, 16 Jun 2008 23:22:17 +0200 (CEST) Received: from mx03.syneticon.net ([192.168.113.4]) by localhost (mx03.syneticon.net [192.168.113.3]) (amavisd-new, port 10025) with ESMTP id bv5Ev26nF9XU for ; Mon, 16 Jun 2008 23:22:14 +0200 (CEST) Received: from [192.168.10.145] (koln-4d0b73de.pool.mediaWays.net [77.11.115.222]) by mx03.syneticon.net (Postfix) with ESMTP for ; Mon, 16 Jun 2008 23:22:14 +0200 (CEST) Message-ID: <4856D985.6050503@wpkg.org> Date: Mon, 16 Jun 2008 23:22:13 +0200 From: Tomasz Chmielewski MIME-Version: 1.0 Subject: Re: [linux-lvm] Server hangs when writing to LVM volume due to LVM Snapshots References: <20080616135319.GA29234@campbell-lange.net> <4856715A.6050107@wpkg.org> <20080616141907.GH3765@campbell-lange.net> <48567DF8.7080600@wpkg.org> <20080616151014.GJ3765@campbell-lange.net> <4856BC88.4060602@wpkg.org> <20080616211844.GL3765@campbell-lange.net> In-Reply-To: <20080616211844.GL3765@campbell-lange.net> Content-Transfer-Encoding: 7bit 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 Veselin Kantsev schrieb: > Hi Thomas, > I think I've misunderstood the concept of snapshots. > > So If I have 7 snapshots of the same volume (created at different times) > and a file is changed, would the change affect all 7 snapshots or > just the latest one created? > > If the former, then I imagine changing a 1GB+ file, in my > situation will result in an unpleasant experience with the LVM snapshots. Yes, writing 1 GB will in effect end up in writing 8 GB if you have 7 snapshots. -- Tomasz Chmielewski http://wpkg.org