Lesson 7 – Durability of data in modern storage systems
This lesson covers various background processes like garbage collection, rebalancing,
and rebuilding redundancy in Drobo devices and in Storage Spaces.
In addition, we discuss different processes in modern storage systems like NASes, SSDs,
rotational hard drives that can run on their own resulting in metadata modification.
Disadvantages of widely accepted methods of data preservation - disk cloning and writeblockers - are also considered.
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