Flavor's disk is too small for requested image. Flavor disk is 16106127360 bytes, image is 21474836480 bytes.].

OpenStack报错：

Flavor's disk is too small for requested image. Flavor disk is 16106127360 bytes, image is 21474836480 bytes.].

原因：创建实例的实例类型下的根目录太小，无法满足镜像需求，更改实例类型即可