Leil Storage and Western Digital Distributed File System

This solution brief outlines the partnership between Leil Storage and Western Digital to deliver a distributed file system that supports host-managed SMR technology at petabyte scale without relying on cloud infrastructure. The document details the advantages of using Ultrastar Data60 and Data102 drives, which utilize both SMR and CMR HDDs for cost-effective, high-density storage solutions. It highlights key features such as enhanced reliability through IsoVibe and ArcticFlow technologies, data integrity measures including Reed-Solomon coding and copy-on-write snapshots, and seamless scalability allowing for hardware upgrades without service disruption. The brief also addresses challenges in active archive storage, including the need for fast access to raw data and the importance of balancing performance with cost management. Furthermore, it presents the capabilities of SaunaFS, a robust distributed POSIX file system designed to optimize storage efficiency and security. The document emphasizes the flexibility of configurations and the potential for organizations to achieve significant total cost of ownership improvements through the integration of SMR technology.