Mark Husted (hustedm)
2014-Aug-22 11:33 UTC
Re: [Libguestfs] libguest-test-tool error report
Hello Rich, Well, that stinks. I really appreciate the quick responses. Thank you for your time and effort, too. I will see what I can do to solve this problem some other way. Maybe I can virtualize my disk image maker. Thanks, Mark Thanks, Mark Husted 770-236-1242 -----Original Message----- From: Richard W.M. Jones [mailto:rjones@redhat.com] Sent: Friday, August 22, 2014 3:43 AM To: Mark Husted (hustedm) Cc: libguestfs@redhat.com Subject: Re: [Libguestfs] libguest-test-tool error report On Fri, Aug 22, 2014 at 01:50:49AM +0000, Mark Husted (hustedm) wrote:> qemu-kvm: -drive > file=centos6.4-x86_64-gold-master-5G.img,cache=none,id=hd1,if=none: > 'hd1' uses a qcow2 feature which is not supported by this qemu > version: QCOW version 3 > qemu-kvm: -drive > file=centos6.4-x86_64-gold-master-5G.img,cache=none,id=hd1,if=none: > could not open disk image centos6.4-x86_64-gold-master-5G.img: > Operation not supportedThe problem is that the disk image uses qcow2 features which were added in RHEL 7. RHEL 6 is simply unable to read or process this disk image. The only solution here is to update the host to RHEL 7 / CentOS 7. Rich. -- Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones Read my programming and virtualization blog: http://rwmj.wordpress.com virt-p2v converts physical machines to virtual machines. Boot with a live CD or over the network (PXE) and turn machines into KVM guests. http://libguestfs.org/virt-v2v
On Fri, Aug 22, 2014 at 11:33:20AM +0000, Mark Husted (hustedm) wrote:> Hello Rich, > > Well, that stinks. > > I really appreciate the quick responses. Thank you for your time and effort, too. I will see what I can do to solve this problem some other way. Maybe I can virtualize my disk image maker.I should have mentioned that it's possible to create the disk image in a compatible mode. You have to use the `compat=0.10' option (see qemu-img man page for where to put that). However once you've created the disk image it is my understanding that you cannot `downgrade' it. Rich. -- Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones Read my programming and virtualization blog: http://rwmj.wordpress.com virt-p2v converts physical machines to virtual machines. Boot with a live CD or over the network (PXE) and turn machines into KVM guests. http://libguestfs.org/virt-v2v
Mark Husted (hustedm)
2014-Aug-22 13:03 UTC
Re: [Libguestfs] libguest-test-tool error report
Hello Rich, Well, I did give that a try. But it is back to being unable to access kvm (log attached). It did make the qemu error go away. Thanks, Mark Thanks, Mark Husted 770-236-1242 -----Original Message----- From: Richard W.M. Jones [mailto:rjones@redhat.com] Sent: Friday, August 22, 2014 8:31 AM To: Mark Husted (hustedm) Cc: libguestfs@redhat.com Subject: Re: [Libguestfs] libguest-test-tool error report On Fri, Aug 22, 2014 at 11:33:20AM +0000, Mark Husted (hustedm) wrote:> Hello Rich, > > Well, that stinks. > > I really appreciate the quick responses. Thank you for your time and effort, too. I will see what I can do to solve this problem some other way. Maybe I can virtualize my disk image maker.I should have mentioned that it's possible to create the disk image in a compatible mode. You have to use the `compat=0.10' option (see qemu-img man page for where to put that). However once you've created the disk image it is my understanding that you cannot `downgrade' it. Rich. -- Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones Read my programming and virtualization blog: http://rwmj.wordpress.com virt-p2v converts physical machines to virtual machines. Boot with a live CD or over the network (PXE) and turn machines into KVM guests. http://libguestfs.org/virt-v2v