Ubuntu Wiki

We think testers need to know how partitioning of disks work if they are going to be able to identify problems with it when doing manual testing.

A good place to start is by learning how the physical partitioning, such as Master Boot Record and GPT, work.

• MBR

• GPT

Then, have a look at how those partitions can have transformations applied to them to form new block devices:

• device mapper