While many contributing technologies have evolved significantly to generate highly robust storage subsystems yielding solutions to many of the age old storage related dilemmas, many new problems have arisen through the myriad of workloads, their interactions, and their constantly evolving states.
This session takes a twofold approach to storage performance. Firstly, it examines the many performance related features including tiered storage, thin provisioning, enhanced priority mechanisms and others which contribute to highly optimized storage performance, and perhaps, more appropriately, “capacity performance”. Secondly, it examines storage performance in the context of the zEnterprise and its extensive use of processor multi-caching as a mechanism of improving processor throughput; a look at relative nest intensities (RNI), other SMF 113 data items, and the LSPR new workload categories are discussed.