From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tomasz Chmielewski Subject: Re: I/O errors after migration - why? Date: Sat, 28 Mar 2009 11:21:33 +0100 Message-ID: <49CDFA2D.9000300@wpkg.org> References: <49CD0014.5020503@wpkg.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: kvm@vger.kernel.org To: Nolan Return-path: Received: from mx03.syneticon.net ([78.111.66.105]:36791 "EHLO mx03.syneticon.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751686AbZC1KVl (ORCPT ); Sat, 28 Mar 2009 06:21:41 -0400 In-Reply-To: Sender: kvm-owner@vger.kernel.org List-ID: Nolan schrieb: > Tomasz Chmielewski wpkg.org> writes: >> I'm trying to perform live migration by following the instructions on >> http://www.linux-kvm.org/page/Migration. >> Unfortunately, it doesn't work very well - guest is migrated, but looses >> access to its disk. > > The LSI logic scsi device model doesn't implement device state save/restore. > Any suspend/resume, snapshot or migration will fail. Oh, that sucks - as not everything supports virtio (which doesn't work for me as well for some reason) - like Windows (which should be addressed soon with block virtio drivers), but also older installations, running older kernels. Does IDE support migration? > I sent a patch that partially addresses this (but is buggy in the presence of > in-flight IO): > http://lists.gnu.org/archive/html/qemu-devel/2009-01/msg00744.html -- Tomasz Chmielewski http://wpkg.org