There are many factors to consider when optimizing your RAID configuration, such as reliability, performance, cost, access times, application type and operations under degraded mode. These factors influence how your RAID configuration is fully optimized. Therefore, the advantages and disadvantages of various RAID levels need to be considered and compared with the IO workloads to determine the best configuration for your solution.
Storage experts at StoneFly Inc. have conducted an extensive research. This paper specifically addresses SMB and SME RAID implementations with current technology and practical application, taking into account manufacturers features and capabilities targeting these two markets.