The Ceph Blog

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

  • 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

  • March 30, 2021
    v14.2.19 Nautilus released

    This is the 19th update to the Ceph Nautilus release series. This is a hotfix release to prevent daemons from binding to loopback network interfaces. All nautilus users are advised to upgrade to this release. Notable Changes¶ This release fixes a regression introduced in v14.2.17 whereby in certain environments, OSDs will bind to 127.0.0.1. See …Read more

  • March 30, 2021
    Diving into the Deep

    The IDC DataAge Whitepaper assesses where data is being generated, where it is being stored, byte shipments by media type, and a wealth of other information. The following chart from the whitepaper serves to illustrate how data is flowing towards, and reaches the highest concentrations at the core. Where there is data, there will be …Read more

  • March 18, 2021
    v15.2.10 Octopus released

    This is the 10th backport release in the Octopus series. We recommend users to update to this release. Notable Changes¶ The containers include an updated tcmalloc that avoids crashes seen on 15.2.9 (see issue#49618 for details. RADOS: BlueStore handling of huge(>4GB) writes from RocksDB to BlueFS has been fixed. When upgrading from a previous cephadm …Read more

  • March 15, 2021
    v14.2.18 Nautilus released

    This is the 18th backport release in the Nautilus series. It fixes a regression introduced in 14.2.17 in which the manager module tries to use a couple python modules that do not exist in some environments. We recommend users to update to this release Notable Changes¶ This release fixes issues loading the dashboard and volumes …Read more

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