Docker/Storage
< Docker
This lesson introduces Docker storage.
Objectives and Skills[edit | edit source]
Objectives and skills for this lesson include:[1]
- State which graph driver should be used on which OS
- Demonstrate how to configure devicemapper
- Compare object storage to block storage, and explain which one is preferable when available
- Summarize how an application is composed of layers and where those layers reside on the filesystem
- Describe how volumes are used with Docker for persistent storage
- Identify the steps you would take to clean up unused images on a filesystem, also on DTR
- Demonstrate how storage can be used across cluster nodes
- Identity roles
- Describe the difference between UCP workers and managers
- Describe process to use external certificates with UCP and DTR (UCP from cli, from GUI, print the public certificates), DTR)