The Ceph Blog

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

  • September 1, 2020
    Ceph Community Newsletter, August 2020 Edition

    Announcements Outeachy December 2020 We’re excited to announce that Ceph and Rook will participate in this next Outreachy December 2020 round! See our latest blog post for more details. Code Walkthrough: KRBD I/O Flow Illya Dryomov gives a code walkthrough of the Linux Kernel RBD client. Catch our next walkthrough with Patrick Donnelly on the …Read more

  • August 13, 2020
    Ceph User Survey 2019

    Thank you to our 300 completed respondents participating in the Ceph User Survey for 2019! If you’re interested in participating for the planning of the user survey for 2020, please email foundation at for details.

  • August 11, 2020
    v14.2.11 Nautilus released

    This is the eleventh release in the Nautilus series. This release brings a number of bugfixes across all major components of Ceph. We recommend that all Nautilus users upgrade to this release. Notable Changes¶ RGW: The radosgw-admin sub-commands dealing with orphans – radosgw-admin orphans find, radosgw-admin orphans finish, radosgw-admin orphans list-jobs – have been deprecated. …Read more

  • August 1, 2020
    Ceph Community Newsletter, July 2020 Edition

    Announcements Ceph Tech Talk for July 2020: A Different Scale – Running small ceph clusters in multiple data centers Yuval Freund presented a different perspective of smaller Ceph clusters running in multiple data centers. More on Ceph Tech Talks Project updates CephFS Continuing work on `ceph fs top` master/slave terminology removed from CephFS codebase New …Read more

  • July 22, 2020
    Mimic is retired

    This post is to announce the retirement of v13.2.X Mimic stable release series, and there will no longer be any more backport releases to Mimic. Any more patches to the Mimic branch will have to be tested by the developer submitting the patches and approved by the tech lead of the respective component to keep …Read more

  • July 8, 2020
    Ceph Community Newsletter, June 2020 Edition

    Announcements Virtual Ceph Days Thank you to everyone who has participated in our Virtual Ceph Day questionnaire. We are still in the process of finalizing a platform and details. If you were previously selected as a presenter for the planned Cephalocon 2020 event, consider applying for the CFP. Ceph Tech Talk for July 2020: A …Read more

  • June 30, 2020
    v15.2.4 Octopus released

    This is the fourth release of the Ceph Octopus stable release series. In addition to a security fix in RGW, this release brings a range of fixes across all components. We recommend that all Octopus users upgrade to this release. Notable Changes¶ CVE-2020-10753: rgw: sanitize newlines in s3 CORSConfiguration’s ExposeHeader (William Bowling, Adam Mohammed, Casey …Read more

  • June 3, 2020
    New in Octopus: Dashboard Features

    This is a follow-up to my previous blog post “New in Octopus: Dashboard Enhancements” in which I highlighted some of the added and enhanced functionality related to Ceph Dashboard itself. In this post I’d like to focus on the Ceph-specific new management features that have been added to the Dashboard during the Ceph Octopus development …Read more

  • May 29, 2020
    v15.2.3 Octopus released

    We’re happy to announce the availability of the third Octopus stable release series. This release mainly is a workaround for a potential OSD corruption in v15.2.2. We advise users to upgrade to v15.2.3 directly. For users running v15.2.2 please execute the following:: ceph config set osd bluefs_preextend_wal_files false Changelog bluestore: common/ disable bluefs_preextend_wal_files (issue#45613, commit)

  • May 27, 2020
    Ceph Dashboard: How to contribute translations

    (This is a guest post by Sebastian Krah from the Ceph Dashboard Team. He is coordinating the efforts around localization and internationalization of the Dashboard) Ceph Dashboard is the perfect entry point for everyone who is interested in Ceph and prefers working with a graphical user interface. Like every good UI, the Dashboard can be …Read more

  • May 26, 2020
    New in Octopus: Dashboard Enhancements

    Ceph Dashboard is a built-in web-based management and monitoring application that is part of the open source Ceph distribution. Like in previous Ceph releases, the Dashboard developer community has been very active in adding new features and improving existing functionality. In this article, I’d like to cover the most noteworthy overall user interface enhancements that …Read more