On 13-08-15 14:06, Rohit Yadav wrote: > Hi all, > > I’ve been testing a bug on KVM which involves VM migration, and in that > process I found that VM migrations failed in my environment twice even > with clean setups of Ubuntu 14.04.3 (lastest and updated packages) based > KVM hosts against CloudStack 4.5.2-SNAPSHOT (latest 4.5). >
We haven't seen issue with migrations in production, but I'd have to look more closely. > I wanted to share this issue to confirm if this is just my environment > or if someone experienced similar issue with latest Ubuntu 14.04 based > KVM hosts. > > The specific errors I found in the logs were something like > "qemuMigrationCancelDriveMirror:1421 : Unable to stop block job”, which > are likely reproduced by others such as: > > https://www.redhat.com/archives/libvirt-users/2014-June/msg00057.html > http://lists.nongnu.org/archive/html/qemu-devel/2014-12/msg03093.html > > A possible solution could be to download libvirt to 1.1.x. > Have you disabled AppArmor on that machine? We've seen many machines with random weird issues when AppArmor was enabled. Wido > Regards, > Rohit Yadav > Software Architect, ShapeBlue > > > > > M. +91 88 262 30892 | rohit.ya...@shapeblue.com > <mailto:rohit.ya...@shapeblue.com> > Blog: bhaisaab.org <http://bhaisaab.org> | Twitter: @_bhaisaab > > > > > Find out more about ShapeBlue and our range of CloudStack related services > > IaaS Cloud Design & Build > <http://shapeblue.com/iaas-cloud-design-and-build//> > CSForge – rapid IaaS deployment framework <http://shapeblue.com/csforge/> > CloudStack Consulting <http://shapeblue.com/cloudstack-consultancy/> > CloudStack Software Engineering > <http://shapeblue.com/cloudstack-software-engineering/> > CloudStack Infrastructure Support > <http://shapeblue.com/cloudstack-infrastructure-support/> > CloudStack Bootcamp Training Courses > <http://shapeblue.com/cloudstack-training/> > > This email and any attachments to it may be confidential and are > intended solely for the use of the individual to whom it is addressed. > Any views or opinions expressed are solely those of the author and do > not necessarily represent those of Shape Blue Ltd or related companies. > If you are not the intended recipient of this email, you must neither > take any action based upon its contents, nor copy or show it to anyone. > Please contact the sender if you believe you have received this email in > error. Shape Blue Ltd is a company incorporated in England & Wales. > ShapeBlue Services India LLP is a company incorporated in India and is > operated under license from Shape Blue Ltd. Shape Blue Brasil > Consultoria Ltda is a company incorporated in Brasil and is operated > under license from Shape Blue Ltd. ShapeBlue SA Pty Ltd is a company > registered by The Republic of South Africa and is traded under license > from Shape Blue Ltd. ShapeBlue is a registered trademark.