The RADOS Block Device (RBD) celebrates fifteen years as part of the Ceph block storage interface, which originally began as a distributed filesystem. Ceph has evolved into a unified storage platform, now supporting object and block storage capabilities. The system was initiated by Sage Weil for his doctoral dissertation and improved through feedback and contributions from the community. RBD's architecture utilizes essential Ceph/RADOS functions to ensure scalable, reliable distributed block storage. This evolution highlights the importance of open standards and collaborative development in building successful open source technologies.
The RADOS Block Device (RBD) is an interface for Ceph that evolved from an initial idea, marked by its birthday this year, showcasing a decade and a half of innovation and development in distributed block storage systems.
RBD leverages core Ceph/RADOS capabilities, allowing it to achieve significant scalability and reliability for distributed block storage, which plays a critical role in cloud-native infrastructure.
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