From mboxrd@z Thu Jan 1 00:00:00 1970 From: Paolo Bonzini Subject: Re: Bug Repoting Directions Request Date: Wed, 19 Nov 2014 11:59:58 +0100 Message-ID: <546C782E.9070803@redhat.com> References: <2A6E6B95B6E5C146ACE8440760E58185BDC31A5E@EXCHANGESERVER.schefczyk.local> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit To: "Prof. Dr. Michael Schefczyk" , KVM list Return-path: Received: from mail-wi0-f178.google.com ([209.85.212.178]:57502 "EHLO mail-wi0-f178.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751487AbaKSLAE (ORCPT ); Wed, 19 Nov 2014 06:00:04 -0500 Received: by mail-wi0-f178.google.com with SMTP id hi2so1378089wib.17 for ; Wed, 19 Nov 2014 03:00:02 -0800 (PST) In-Reply-To: <2A6E6B95B6E5C146ACE8440760E58185BDC31A5E@EXCHANGESERVER.schefczyk.local> Sender: kvm-owner@vger.kernel.org List-ID: On 19/11/2014 11:36, Prof. Dr. Michael Schefczyk wrote: > "I am running KVM virtualization hosts both with Centos 6 and Centos > 7 (all installed from packages and updated to the current version). > The guests are Centos, Debian, Windows 2008 R2 and Windows 7 > machines. I am using qcow2 virtual disks with virtio drivers and > cache disabled throughout. My aim is to take a backups based live > snapshots each night. > > Since some months ago, I am facing the problem, that backups fail > unpredictably. A failed backup does not generate a backup file and > thereafter, snapshots can no longer be created or deleted and the > guest cannot be started anymore. The resulting error message is "File > too large". Who is reporting the "File too large" error? Can you please include the error in full detail? Paolo