Keynote: Ceph as Part of the Data Infrastructure for Zoned Storage
summary
Ceph integration targets Zoned Block Devices such as SMR HDDs and emerging NVMe ZNS namespaces by exposing zone semantics to the host to cut write amplification and boost density. Work adds zone-aware metadata and allocation into BlueStore, leverages an LSM tree style layout, and involves contributions from CMU and Western Digital to upstream Ceph. The claim: zone-aware Ceph lets scale-out clusters use higher‑capacity drives and lower device wear without hidden device-level garbage collection, with prototypes already implemented and ongoing standardization efforts.
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chapters (4)
- 0:00Data-driven infrastructure
- 2:04Understanding zone storage
- 4:04Rationale for zone architecture
- 7:25Integrating with Ceph
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