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Ceph Cookbook by Karan Singh

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RAID – the end of an era

RAID technology has been the fundamental building block for storage systems for years. It has proven successful for almost every kind of data that has been generated in the last 3 decades. But all eras must come to an end, and this time, it's RAID's turn. These systems have started showing limitations and are incapable of delivering to future storage needs. In the course of the last few years, cloud infrastructures have gained a strong momentum and are imposing new requirements on storage and challenging traditional RAID systems. In this section, we will uncover the limitations imposed by RAID systems.

RAID rebuilds are painful

The most painful thing in RAID technology is its super-lengthy rebuild process. Disk manufacturers ...

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