Chapter 3. Storing and Retrieving Data and Images using Glance, Cinder, and Swift
This chapter introduces the storage services of OpenStack. There are three major services whose names we have already seen in the title of this chapter. Now, you must be wondering why we would need three different services.
We will cover the following topics in this chapter:
- Image storage – Glance
- Block storage – Cinder
- Object storage – Swift
- Troubleshooting steps specific to Swift
Introducing storage services
Object storage or binary large object (BLOB) storage is in some form like a file server. This kind of storage is needed when the requirement is to place files to be retrieved later. Each of these files is considered as an object, and you really don't care about the ...
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