[libvirt-users] Missing "block-stream" command in qemu-kvm

[Eric Blake]

On 06/03/2015 10:26 AM, Dallas Graves wrote:
> Hi all,

[can you configure your mailer to wrap long lines?]

> I’m running qemu-kvm-0.12.1.2-2.448.el6_6.3.x86_64 with libvirt-0.10.2-29.el6_5.12.x86_64 on CentOS 6.6.

There's your problem.  'qemu-kvm' on CentOS 6 does not support live disk
operations, because it was derived from RHEL 6 where Red Hat did not
choose to backport the functionality unless you upgraded to RHEV.

Quoting from an earlier mail from Paolo Bonzini:

Luckily, since you are using CentOS you do not really care about
official Red Hat RPMs, and you can get the packages here (well, this is
for CentOS 7, I'm not sure if there is a similar repo for CentOS 6):

http://resources.ovirt.org/pub/ovirt-3.5/rpm/el7Server/

This yum repository file will help:

    [qemu-kvm-rhev]
    name=oVirt rebuilds of qemu-kvm-rhev
    baseurl=http://resources.ovirt.org/pub/ovirt-3.5/rpm/el7Server/

mirrorlist=http://resources.ovirt.org/pub/yum-repo/mirrorlist-ovirt-3.5-el7Server
    enabled=1
    skip_if_unavailable=1
    gpgcheck=0

Drop it in /etc/yum.repos.d/qemu-kvm-rhev.repo and install qemu-kvm-rhev
with yum.  All features will be available.  It would be simpler to have
a CentOS SIG build this, but it hasn't happened yet.

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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