Ceph volatile disk

Hello,
Try add Volatile disk to Vm but get error:

Mon Oct 30 22:36:56 2017 [Z0][VMM][I]: Command execution fail: cat << EOT | /var/tmp/one/vmm/kvm/deploy ‘/var/lib/one//datastores/100/106/deployment.1’ ‘node4’ 106 node4
Mon Oct 30 22:36:56 2017 [Z0][VMM][I]: error: Failed to create domain from /var/lib/one//datastores/100/106/deployment.1
Mon Oct 30 22:36:56 2017 [Z0][VMM][I]: error: Cannot access storage file ‘/var/lib/one//datastores/100/106/disk.2’ (as uid:9869, gid:9869): No such file or directory
Mon Oct 30 22:36:56 2017 [Z0][VMM][E]: Could not create domain from /var/lib/one//datastores/100/106/deployment.1
Mon Oct 30 22:36:56 2017 [Z0][VMM][I]: ExitCode: 255
Mon Oct 30 22:36:56 2017 [Z0][VMM][I]: Failed to execute virtualization driver operation: deploy.
Mon Oct 30 22:36:56 2017 [Z0][VMM][E]: Error deploying virtual machine: Could not create domain from /var/lib/one//datastores/100/106/deployment.1

What I do wrong?
Thanks!

P.S. OpenNebula 5.4.1, ceph 12.2.1 luminous (stable)

Nobody uses volatile disks in ceph?