[ovirt-users] Migrating from KVM to oVirt

Nir Soffer nsoffer at redhat.com
Fri Sep 16 23:36:56 UTC 2016

On Sat, Sep 17, 2016 at 12:19 AM, Logan Kuhn <logank at wolfram.com> wrote:

> Our current infrastructure is as follows:
> KVM managed with NFS exported raw files.
> We are planning on moving to ovirt, but we want to move our disk images
> into Ceph via Cinder is this possible and if so, how?

Importing vms from kvm is very easy in 4.0, you just import
the vm, ovirt will do everything for you in few clicks.

We don't support yet copying disks to ceph, only creating new disks.

This should work:

1. Create vm with ceph disk

2. Find the ceph disk name in cinder using the disk name in engine

3. Copy the image manually to ceph using ceph command line tools
    The machine copying the disks should have cephx auth keys

Note that ovirt hosts do not deploy ceph auth keys on the host, we
deploy the keys dynamically using libvirt secrets, so only vms that
need access to ceph disk can access it.

Adding Daniel to add more details on how to find the cinder disk.

There are some ceph users on this list, maybe they can add more

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