Hi,
just to answer myself, I found these instructions that solved my problem:
http://7xqb88.com1.z0.glb.clouddn.com/Features_Cinder%20Integration.pdf
Basically, I was missing the step to add the ceph key to the
Authentication Keys tab of the cinder External Provider.
It's all working now.
Cheers,
Alessandro
Il 30/05/16 10:55, Alessandro De Salvo ha scritto:
Hi,
I'm happily using our research cluster in Italy via gluster, and now
I'm trying to hotplug a ceph disk on a VM of my cluster, without success.
The ceph cluster is managed via openstack cinder and I can create
correctly the disk via ovirt (3.6.6.2-1 on CentOS 7.2).
The problem comes when trying to hotplug, or start a machine with the
given disk attached.
In the vdsm log of the host where the VM is running or starting I see
the following error:
jsonrpc.Executor/5::INFO::2016-05-30
10:35:29,197::vm::2729::virt.vm::(hotplugDisk)
vmId=`c189472e-25d2-4df1-b089-590009856dd3`::Hotplug disk xml: <disk
address="" device="disk" snapshot="no" type="network">
<source
name="images/volume-9134b639-c23c-4ff1-91ca-0462c80026d2" protocol="rbd">
<host name="141.108.X.Y1" port="6789" transport="tcp"/>
<host name="141.108.X.Y2" port="6789" transport="tcp"/>
</source>
<auth username="cinder">
<secret type="ceph" uuid="<base 64 ceph secret>"/>
</auth>
<target bus="virtio" dev="vdb"/>
<driver cache="none" error_policy="stop" io="threads"
name="qemu" type="raw"/>
</disk>
jsonrpc.Executor/5::ERROR::2016-05-30
10:35:29,198::vm::2737::virt.vm::(hotplugDisk)
vmId=`c189472e-25d2-4df1-b089-590009856dd3`::Hotplug failed
Traceback (most recent call last):
File "/usr/share/vdsm/virt/vm.py", line 2735, in hotplugDisk
self._dom.attachDevice(driveXml)
File "/usr/share/vdsm/virt/virdomain.py", line 68, in f
ret = attr(*args, **kwargs)
File "/usr/lib/python2.7/site-packages/vdsm/libvirtconnection.py",
line 124, in wrapper
ret = f(*args, **kwargs)
File "/usr/lib/python2.7/site-packages/vdsm/utils.py", line 1313, in
wrapper
return func(inst, *args, **kwargs)
File "/usr/lib64/python2.7/site-packages/libvirt.py", line 530, in
attachDevice
if ret == -1: raise libvirtError ('virDomainAttachDevice()
failed', dom=self)
libvirtError: XML error: invalid auth secret uuid
In fact the uuid of the secret used by ovirt to hotplug seems to be
the ceph secret (masked here as <base 64 ceph secret>), while libvirt
expects the uuid of the libvirt secret, by looking at the instructions
http://docs.ceph.com/docs/jewel/rbd/libvirt/.
Anyone got it working?
Thanks,
Alessandro
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