By Chris Mellor
Publication Date: 2026-10-15 09:35:00
IBM has made its Storage Ceph software go faster by keeping more metadata on SSDs.
IBM Storage Ceph is IBM’s enterprise-supported distribution of the open-source Ceph software-defined storage platform for file, block and object storage. It’s based on the open-source Ceph project (RADOS + RBD + CephFS + RGW/S3). IBM took over the enterprise Ceph offering from Red Hat in early 2023, and it It runs on standard x86 server hardware (with optional IBM Storage Ready Nodes that bundle validated hardware + software) and is designed for hybrid-cloud, AI/ML, data lakehouse, and large-scale enterprise workloads.
We note that IBM Storage Ceph has a BlueFS storage feature with up to three device levels:
WAL – fastest (write-ahead log / journal),
DB – intermediate (metadata),
SLOW – the…



