资源超售
# 在 backend 配置 section 模块下 添加 或替换 vi /etc/cinder/cinder.conf max_over_subscription_ratio = 30.0 grep "max_over_subscription_ratio" -r ./cinder sed -i "s/rbd_exclusive_cinder_pool = false/rbd_exclusive_cinder_pool = false\nmax_over_subscription_ratio = 50.0/g" /etc/cinder/cinder.conf systemctl restart openstack-cinder-api systemctl restart openstack-cinder-volume systemctl restart openstack-cinder-scheduler systemctl restart openstack-cinder-backup