Apart from file-level backup, there is also the block-level backup, better known as image backup. It is an advanced backup method that creates a copy of your whole system.

The three major approaches to migrating data are application-level, file-level, and block-level. Let’s look at each in more detail. Application-level or logical data migration ...

Block-level virtualization is usually just called storage virtualization, and serves applications such as database software that need block-level access to data.

Where things start to differ is how that basic bit-level information forms part of the bigger picture, and it’s here where the key differences between block, file and object storage emerge.

We look at the three basic ways that storage accesses data – via file, block and object – as well as the ways in which the rise of the cloud and distributed systems have brought changes to them.