Comment 13 for bug 1819175

Not sure what could be the IOError issue, undercloud storage is not full:
[stack@undercloud ~]$ df -h
Filesystem Size Used Avail Use% Mounted on
devtmpfs 3.9G 0 3.9G 0% /dev
tmpfs 3.9G 84K 3.9G 1% /dev/shm
tmpfs 3.9G 97M 3.9G 3% /run
tmpfs 3.9G 0 3.9G 0% /sys/fs/cgroup
/dev/vda 150G 44G 107G 30% /
tmpfs 799M 0 799M 0% /run/user/1000
tmpfs 500M 35M 466M 7% /var/log/heat-launcher
[stack@undercloud ~]$