Appreciate your quick reply. 1. File permission: [root@ca-ovsx131 images]# ll drwxr-xr-x. 2 vdsm kvm 5 Oct 26 13:40 7af3ed03-9be5-4c29-b1f2-2566a00671ba [root@ca-ovsx131 images]# ll f83b2026-099d-4983-9130-fa999bd2a782/ total 1028 -rw-rw----. 1 vdsm kvm 1073741824 Oct 26 13:31 6eb8cd98-ec3f-47a4-908c-e17f45e6cf6a -rw-rw----. 1 vdsm kvm 1048576 Oct 26 13:31 6eb8cd98-ec3f-47a4-908c-e17f45e6cf6a.lease -rw-r--r--. 1 vdsm kvm 319 Oct 26 13:31 6eb8cd98-ec3f-47a4-908c-e17f45e6cf6a.meta this images gets deleted after the Export ova fails. 2.File Format: bash-4.2$ qemu-img info 7af3ed03-9be5-4c29-b1f2-2566a00671ba/f4a9a516-12b1-47ff-b2f9-e5d792669b3c image: 7af3ed03-9be5-4c29-b1f2-2566a00671ba/f4a9a516-12b1-47ff-b2f9-e5d792669b3c file format: qcow2 virtual size: 1.0G (1073741824 bytes) disk size: 259K cluster_size: 65536 Format specific information: compat: 1.1 lazy refcounts: false refcount bits: 16 corrupt: false Error message: writing disk: path=/rhev/data-center/mnt/ca-ovmstor101:_export_sanrathi_brml11g04-oVirt-nfs-01/aec73d1f-ea3d-4228-a151-a41b20b6b67b/images/7af3ed03-9be5-4c29-b1f2-2566a00671ba/f4a9a516-12b1-47ff-b2f9-e5d792669b3c size=196624 Traceback (most recent call last): File "/root/.ansible/tmp/ansible-tmp-1540582852.05-258889562906077/pack_ova.py", line 96, in <module> write_disks(ova_path, disks_info.split('+')) File "/root/.ansible/tmp/ansible-tmp-1540582852.05-258889562906077/pack_ova.py", line 79, in write_disks write_disk(ova_path, disk_path, disk_size) File "/root/.ansible/tmp/ansible-tmp-1540582852.05-258889562906077/pack_ova.py", line 59, in write_disk fd = os.open(disk_path, os.O_RDONLY | os.O_DIRECT) OSError: [Errno 13] Permission denied: '/rhev/data-center/mnt/ca-ovmstor101:_export_sanrathi_brml11g04-oVirt-nfs-01/aec73d1f-ea3d-4228-a151-a41b20b6b67b/images/7af3ed03-9be5-4c29-b1f2-2566a00671ba/f4a9a516-12b1-47ff-b2f9-e5d792669b3c' I will try removing os.O_DIRECT and test.