[libvirt-users] libvirt + ceph rbd will hang

2016-01-13 Thread 王李明
hi all: I use openstack icehouse and libvirt 0.10 version use the quem+ceph to save vm disk when I do serval operation for example migrate vm、snapshot vm the libvirtd will be hang I guess whether the ceph rbd will cause this error anyone can help me? Wang Liming __

[libvirt-users] virsh attach-device : Bus 'pci.0' does not support hotplugging.

2016-01-13 Thread Keyur Bhalerao
Hi , Trying to attach a disk to existing VM using virsh attach-device - XML After executing the command I am getting - [root@cent7 ~]# virsh attach-device lib-virt-man-001 newDisk.xml error: Failed to attach device from newDisk.xml error: internal error: unable to exec

[libvirt-users] RBD snapshots

2016-01-13 Thread Emmanuel Lacour
Dear libvirt users, I'm stuck on this subject and would appreciate a working example as this looks a supported feature :) After many tries and packages backports, here is my current setup: qemu 2.5 libvirt 3.0 ceph hammer on Debian jessie. Here is the relevent domain xml parts:

[libvirt-users] Software Offloading Performance Issue on increasing VM's (TSO enabled ) pushing traffic

2016-01-13 Thread Piyush R Srivastava1
Hi, Problem- Offloading (in Software) for VM generated packets ( TSO enabled in VM's ) degrades severely with increase in VM's on a host. On increasing VM's ( which are pushing traffic simultaneously ) on a compute node- - % offloaded packets coming out of VM's ( TSO enabled ) on tap port / veth