Kubernetes and Docker use a local host disk by default. The Docker application may store and load any data onto the disk, for example, log data, temporary files, and application data. As long as the host has enough space and the application has necessary permission, data will exist as long as a container exists. In other words, when a container is closed the application exits, crashes, and reassigns a container to another host, and the data will be lost.
Kubernetes volume management
Container volume lifecycle
In order to understand Kubernetes volume management, you need to understand the Docker volume lifecycle. The following example is how Docker behaves with a volume when a container restarts:
//run CentOS Container $ docker...
