OceanStor Pacific 9150 is an archive model of high-density scale-out storage. Each 5 U chassis can accommodate two storage nodes and up to 120 HDDs. Provide highly available data access services for long-term archiving of massive data. It has the following characteristics: • Up to 1.92 PB of raw capacity per chassis; • Up to 22+2 EC redundancy ratio, disk space utilization up to 91.6%; • Dynamic EC has high reliability and can tolerate the simultaneous failure of four nodes.