Storage management is one of the most rewarding tasks of systems administration, when done properly and at the right time. While it is true that most of cutting edge technologies are usually cost prohibitive and reserved for corporate environments, it certainly helps for every sysadmin and indeed for most power users to be familiar with how storage technologies work.

This book explains basic concepts of managing RAID storage on a Linux system. Following advice from the next few chapters you will get enough understanding and learn all the commands needed to inspect the storage layout used on your Linux system and to confirm it’s current status. Should you consider expanding storage or adding another array to your system - this will also be shown with examples.