System Upgrade of the KEK Central Computing System
Koichi Murakami, Go IWAI, Takashi Sasaki, T. Nakamura, Wataru Takase · Journal of Physics Conference Series · 2017
The KEK central computer system (KEKCC) supports various activities in KEK, such as the Belle/Belle II, J-PARC experiments, etc. The system was totally replaced and launched in September 2016. The computing resources in the new system are much enhanced as recent increase of computing demand. We have 10,000 CPU cores, 13 PB disk storage, and 70 PB maximum capacity of tape system. In this paper, we focus on the design and performance of the new storage system. Our knowledge, experience and challenges can be usefully shared among HEP data centers as a data-intensive computing facility for the next generation of HEP experiments.