VM Instantiate failed

Wed Aug 23 12:07:55 2017 [Z0][DiM][I]: New VM state is ACTIVE.
Wed Aug 23 12:07:56 2017 [Z0][LCM][I]: New VM state is PROLOG.
Wed Aug 23 12:07:56 2017 [Z0][TM][I]: Command execution fail: /var/lib/one/remotes/tm/shared/clone sakthi-Inspiron-N5110:/var/lib/one/datastores/1/d6758d164f0f4746d1643e86ac1669ce localhost:/var/lib/one//datastores/0/4/disk.0 4 1
Wed Aug 23 12:07:56 2017 [Z0][TM][I]: clone: Cloning /var/lib/one/datastores/1/d6758d164f0f4746d1643e86ac1669ce in localhost:/var/lib/one//datastores/0/4/disk.0
Wed Aug 23 12:07:56 2017 [Z0][TM][E]: clone: Command “cd /var/lib/one/datastores/0/4; cp /var/lib/one/datastores/1/d6758d164f0f4746d1643e86ac1669ce /var/lib/one/datastores/0/4/disk.0” failed: Warning: Permanently added ‘localhost’ (ECDSA) to the list of known hosts.
Wed Aug 23 12:07:56 2017 [Z0][TM][I]: Permission denied, please try again.
Wed Aug 23 12:07:56 2017 [Z0][TM][I]: Permission denied, please try again.
Wed Aug 23 12:07:56 2017 [Z0][TM][I]: Permission denied (publickey,password).
Wed Aug 23 12:07:56 2017 [Z0][TM][E]: Error copying sakthi-Inspiron-N5110:/var/lib/one/datastores/1/d6758d164f0f4746d1643e86ac1669ce to localhost:/var/lib/one//datastores/0/4/disk.0
Wed Aug 23 12:07:56 2017 [Z0][TM][I]: ExitCode: 255
Wed Aug 23 12:07:56 2017 [Z0][TM][E]: Error executing image transfer script: Error copying sakthi-Inspiron-N5110:/var/lib/one/datastores/1/d6758d164f0f4746d1643e86ac1669ce to localhost:/var/lib/one//datastores/0/4/disk.0
Wed Aug 23 12:07:57 2017 [Z0][DiM][I]: New VM state is FAILED

Is ssh key-based authentication working?
http://docs.opennebula.org/5.4/deployment/node_installation/kvm_node_installation.html#step-4-configure-passwordless-ssh