Backup to the Future: How Workload and Hardware Changes Continually Redefine Data Domain File Systems
Yamini Allu, Fred Douglis, Mahesh Kamat, Philip Shilane, Hugo Patterson, Ben Zhu · Computer · 2017
Disk-based backup systems use data deduplication to replace redundant data chunks with references. These systems initially supported workloads from their tape-based predecessors, but changes to hardware and applications have forced them to adapt in interesting and challenging ways.