LSI demonstrates performance advantage of 6Gb/s v 12Gb/s SAS SSDs

LSI pits 6Gb/s v 12Gb/s SAS SSDs in a RAID 5 configuration.

@paulyalcorn
Published Thu, Nov 21 2013 7:08 PM CST   |   Updated Sat, Aug 8 2020 10:29 AM CDT

Alan Johnson, LSI's Customer Manager, outlines a demonstration that pits 6Gb/s SAS drives head-to-head with 12Gb/s drives. One of the greatest benefits of the jump to 12Gb/s SAS is the enhanced throughput enabled by the protocol. However, a doubling of throughput doesn't always equate to a doubling in performance. In this test, the performance enhancement adds up to a whopping 5x improvement.

Testing with a MySQ_ database and the TPC-H benchmark yields a 15 user workload, but the use of 12Gb/s HST SSD800MM (Product evaluation here)creates a large jump up to 80 users. This increase also comes along with a noticeable decrease in latency, while also preserving data protection within a RAID 5 configuration.

The quest for benchmark world records led Paul further and further down the overclocking rabbit hole. SSDs and RAID controllers were a big part of that equation, allowing him to push performance to the bleeding edge. Finding the fastest and most extreme storage solutions led to experience with a myriad of high-end enterprise devices. Soon testing SSDs and Enterprise RAID controllers at the limits of their performance became Paul's real passion, one that is carried out through writing articles and reviews.

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