Architects' Tech Alliance

Nov 26, 2020 · Fundamentals

Understanding Storage I/O Performance, RAID Write Penalties, and Business Model Characteristics

This article explains how real‑world business requirements drive storage performance configuration, details I/O aggregation and RAID write penalties, compares OLTP, OLAP, VDI and SPC‑1 workloads, and discusses the impact of SSD, SAS, FC links, cache, and RAID levels on throughput and latency.