[libvirt-users] virt-install creates a snapshot as the volume backend

Greetings All, I was running libvirt-0.9.10 on CentOS 6.3 and it was working perfectly until yesterday when I decided to update to 6.4, which upgraded libvirt-0.9.10 to libvirt-0.10.2. I have a storage pool of type volume group, upon upgrading to libvirt-0.10.2, the disk image gets created as a snapshot on the volume group not as a regular volume. Now every time I create a vm using virt-install on a vg, the lv gets created as a snapshot not a regular lv, as a result I get the following error when I run dmesg: device-mapper: snapshots: Invalidating snapshot: Unable to allocate exception. Buffer I/O error on device dm-5, logical block 128251 Buffer I/O error on device dm-5, logical block 256 lost page write due to I/O error on dm-5 Buffer I/O error on device dm-5, logical block 257 lost page write due to I/O error on dm-5 Buffer I/O error on device dm-5, logical block 258 lost page write due to I/O error on dm-5 Buffer I/O error on device dm-5, logical block 259 lost page write due to I/O error on dm-5 Buffer I/O error on device dm-5, logical block 260 lost page write due to I/O error on dm-5 Buffer I/O error on device dm-5, logical block 261 lost page write due to I/O error on dm-5 Buffer I/O error on device dm-5, logical block 262 lost page write due to I/O error on dm-5 Buffer I/O error on device dm-5, logical block 263 lost page write due to I/O error on dm-5 lost page write due to I/O error on dm-5 and the following on the domain's log file: block I/O error in device 'drive-virtio-disk0': Input/output error (5) # virt-install --name="ns1" --vcpus="2" --check-cpu --ram=512 --os-variant="rhel6" --network "bridge=br0" --disk "pool=vdisks,size=22,cache=writeback" --vnc --hvm --vnclisten="0.0.0.0" --cdrom="/mnt/ISOs/centos/x86_64/CentOS-6.3-x86_64-bin-DVD1.iso" --hvm # lvs | grep ns ns1.img vm_volumes swi-aos-- 4.00m [ns1.img_vorigin] 0.00 When I try to create a volume using virt-manager on the volume group, it gets created as a snapshot. But when I create a volume using virsh, it gets created correctly; virsh # vol-create-as vdisks test 23622320128 # lvs | grep test test vm_volumes -wi-a---- 22.00g If anyone came across this issue or can provide an advice, I will appreciate it so much. -- Best Regards, Ahmed Ossama