Ceph Days Lessons Learned in Ceph Operations for Science

In 2013, CERN began using Ceph as reliable, flexible, future-proof storage for its on prem cloud. From one 3PB cluster it has grown to support the lab's entire IT infra, now offering 100PB across data centres with use-cases ranging from basic IT to DBs, HPC, and others. This talk will offer a recap of how it is operated at scale: the challenges in this env; improvements made to perf and scalability along the way; and provide key lessons that may be applicable for Ceph users in future.

Speakers:
Dan van der Ster


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