From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: OCFS2 file system corruption with QEMU/KVM Date: Mon, 08 Jun 2009 09:02:28 +0300 Message-ID: <4A2CA974.6020604@redhat.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: kvm@vger.kernel.org To: Charles Duffy Return-path: Received: from mx2.redhat.com ([66.187.237.31]:55493 "EHLO mx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751113AbZFHGCs (ORCPT ); Mon, 8 Jun 2009 02:02:48 -0400 In-Reply-To: Sender: kvm-owner@vger.kernel.org List-ID: Charles Duffy wrote: > Bike & Snow wrote: >> Is anyone using OCFS2 on a SAN based setup (in my case iSCSI) for a >> shared storage setup for KVM? >> >> I've got a really nice setup that works really well and gives very >> good performance. >> >> However, the QEMU disk images (raw format) keep corrupting. >> >> Is OCFS2 to be avoided in the setup or are there any workarounds? For >> example filesystem setup. > > I've had no trouble using GFS2. Are you setting cache=off? Shouldn't the caches on GFS/OCFS be coherent? -- Do not meddle in the internals of kernels, for they are subtle and quick to panic.