The Ceph Blog

Ceph blog stories provide high-level spotlights on our customers all over the world

  • September 20, 2017
    New in Luminous: Improved Scalability

    CERN has been a long-time Ceph user and active community member, running one of the largest production OpenStack clouds backed by Ceph.  They are also using Ceph for other storage use-cases, backing a range of high energy physics experiments.  Overall scalability is understandably an area of interest. Big Bang I and II In 2015, CERN …Read more

  • September 20, 2017
    New in Luminous: Multiple Active Metadata Servers in CephFS

    The Ceph file system (CephFS) is the file storage solution for Ceph. Since the Jewel release it has been deemed stable in configurations using a single active metadata server (with one or more standbys for redundancy). Now in Luminous, multiple active metadata servers configurations are stable and ready for deployment! This allows the CephFS metadata …Read more

  • September 7, 2017
    New in Luminous: RGW Metadata Search

    RGW metadata search is a new feature that was added in Ceph Luminous.  It enables integration with Elasticsearch to provide a search API to query an object store based on object metadata. A new zone type A zone in the RGW multisite system is a set of radosgw daemons serving the same data, backed by …Read more

  • September 1, 2017
    New in Luminous: BlueStore

    BlueStore is a new storage backend for Ceph.  It boasts better performance (roughly 2x for writes), full data checksumming, and built-in compression.  It is the new default storage backend for Ceph OSDs in Luminous v12.2.z and will be used by default when provisioning new OSDs with ceph-disk, ceph-deploy, and/or ceph-ansible. How fast? Roughly speaking, BlueStore …Read more

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