The Ceph Blog

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

  • May 7, 2021
    New in Pacific: SQL on Ceph

    A new libcephsqlite library is available in Pacific that provides a ceph SQLite3 Virtual File System (VFS). The VFS implements backend support for SQLite3 to store and manipulate a database file on Ceph’s distributed object store, RADOS. Normal unmodified applications using SQLite can switch to this new VFS with trivial reconfiguration. SQLite was chosen as …Read more

  • May 6, 2021
    v16.2.3 Pacific released

    This is the third backport release in the Pacific series. We recommend all Pacific users update to this release. Notable Changes¶ This release fixes a cephadm upgrade bug that caused some systems to get stuck in a loop restarting the first mgr daemon.

  • May 5, 2021
    v16.2.2 Pacific released

    This is the second backport release in the Pacific stable series. We recommend all Pacific users upgrade. Notable Changes¶ Cephadm now supports an ingress service type that provides load balancing and HA (via haproxy and keepalived on a virtual IP) for RGW service. The experimental rgw-ha service has been removed. Changelog¶ ceph-fuse: src/include/buffer.h: 1187: FAILED …Read more

  • April 23, 2021
    New in Pacific: CephFS Updates

    The Ceph file system (CephFS) is the file storage solution of Ceph. Pacific brings many exciting changes to CephFS with a strong focus on usability, performance, and integration with other platforms, like Kubernetes CSI. Let’s talk about some of those enhancements. Multiple File System Support CephFS has had experimental support for multiple file systems for …Read more

  • April 19, 2021
    v14.2.20 Nautilus released

    This is the 20th bugfix release in the Nautilus stable series. It addresses a security vulnerability in the Ceph authentication framework. We recommend all Nautilus users upgrade. Security Fixes¶ This release includes a security fix that ensures the global_id value (a numeric value that should be unique for every authenticated client or daemon in the …Read more

  • April 19, 2021
    v15.2.11 Octopus released

    This is the 11th bugfix release in the Octopus stable series. It addresses a security vulnerability in the Ceph authentication framework. We recommend all Octopus users upgrade. Security Fixes¶ This release includes a security fix that ensures the global_id value (a numeric value that should be unique for every authenticated client or daemon in the …Read more

  • April 19, 2021
    v16.2.1 Pacific released

    This is the first bugfix release in the Pacific stable series. It addresses a security vulnerability in the Ceph authentication framework. We recommend all Pacific users upgrade. Security Fixes¶ This release includes a security fix that ensures the global_id value (a numeric value that should be unique for every authenticated client or daemon in the …Read more

  • April 16, 2021
    QoS Study with mClock and WPQ Schedulers

    Introduction Ceph’s use of mClock was primarily experimental and approached with an exploratory mindset. This is still true with other organizations and individuals continuing to either use the code base or modifying it according to their needs. DmClock exists in its own repository. Prior to the Ceph Pacific release, mClock could be enabled by setting …Read more

  • April 6, 2021
    Diving Deeper

    In our first post we introduced the joint development project among Penguin Computing, Seagate, and Red Hat culminating in the Penguin Computing DeepData solution. In this post, we’ll start with first principles, and then discuss some of the hardware and software technical details that drove our configuration changes. In particular, we will demonstrate  how to …Read more

  • April 1, 2021
    Ceph Developer Summit: Quincy

    Now that the Ceph Pacific release is available, it’s time to start discussions for our next major release at the Ceph Developer Summit: Quincy April 6-9. The event will consist of developer sessions focused on Ceph components and adjacent projects. If you would like to join in the discussion, please see the Ceph community calendar, which you …Read more

  • April 1, 2021
    v16.2.0 Pacific released

    We’re glad to announce the first release of the Pacific v16.2.0 stable series. There have been a lot of changes across components from the previous Ceph releases, and we advise everyone to go through the release and upgrade notes carefully. Major Changes from Octopus General Cephadm can automatically upgrade an Octopus cluster to Pacific with …Read more

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