The Ceph Blog

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

  • June 14, 2018
    New in Mimic: centralized configuration management

    One of the key new features in Ceph Mimic is the ability to manage the cluster configuration–what traditionally resides in ceph.conf–in a central fashion.  Starting in Mimic, we also store configuration information in the monitors internal database, and seamlessly manage the distribution of that config info to all daemons and clients in the system. Historically, …Read more

  • June 4, 2018
    Mimic contributor credits

    A new version of Ceph has been released, and we’ve had a steady inflow of new contributors and companies contributing to Ceph. The affiliation of authors to organizations can be updated by submitting a patch to https://github.com/ceph/ceph/blob/master/.organizationmap There were around 284 authors affiliated to over 68 companies contributing during this release cycle. Over the Mimic release …Read more

  • June 1, 2018
    New in Mimic: Introducing a new Ceph Manager Dashboard

    After an intensive 9 month development cycle, the Ceph project is happy to announce their next stable release: Ceph 13.2.0 “Mimic” is the first version of Ceph that has been published under the revised release schedule in which a new stable release is published every nine months. Previously, Ceph releases were made available in a …Read more

  • June 1, 2018
    v13.2.0 Mimic released

    This is the first stable release of Mimic, the next long term release series. Please read the upgrade notes from previous releases carefully before upgrading. Major Changes from Luminous¶ Dashboard: The (read-only) Ceph manager dashboard introduced in Ceph Luminous has been replaced with a new implementation inspired by and derived from the openATTIC Ceph management …Read more

  • May 31, 2018
    Ceph Community Newsletter, May 2018 edition

    Hey Cephers! May 2018 was a very busy month for the project: the final development stages for Ceph Mimic release, the Ceph User Survey and several community events including KubeCon Europe in Copenhagen, Red Hat Summit in San Francisco, the OpenStack Summit in Vancouver and openSUSECon in Prague. Here’s a summary of our activities and …Read more

  • May 11, 2018
    v13.1.0 Mimic RC1 released

    This is the first release candidate for mimic, the next long term release. While this is not the final production release yet, consider testing this on your testing and non production clusters for a preview of upcoming features and importantly report any bugs in the tracker. Notable Changes¶ core: The pg force-recovery command will not …Read more

  • April 30, 2018
    Ceph Community Newsletter, April 2018 edition

    Hey Cephers! March was a very busy month for Ceph Project that we are releasing the Newsletter on April. Besides all Mimic development tasks we had our first Cephalocon in Beijing and we have lots of cool things to share with our vibrant community on this newsletter. We hope you enjoy it! Announcements Ceph user …Read more

  • April 24, 2018
    v12.2.5 Luminous released

    This is the fifth bugfix release of Luminous v12.2.x long term stable release series. This release contains a range of bug fixes across all compoenents of Ceph. We recommend all the users of 12.2.x series to update. Notable Changes MGR The ceph-rest-api command-line tool included in the ceph-mon package has been obsoleted by the MGR …Read more

  • April 23, 2018
    Cephalocon APAC 2018 Report

    On March 22-23, 2018 the first Cephalocon in the world was successfully held in Beijing, China. During the two conference days over 1000 people including developers, users, companies, community members and other Ceph enthusiasts attended to the 52 keynotes and talks about Enterprise applications, Development, Operation and Maintenance practices. Cephalocon was possible because the support …Read more

  • April 5, 2018
    Monitoring VDO Volumes

    My previous post showed you how to get deduplication working on Linux with VDO. In some ways, that’s the post that could cause trouble – if you start using vdo across a number of hosts, how can you easily establish monitoring or even alerting? So that’s the problem we’re going to focus on in this …Read more

  • April 4, 2018
    Shrinking Your Storage Requirements with VDO

    Whether you’re using proprietary storage arrays or software defined storage, the actual cost of capacity can sometimes provoke responses like, “why do you you need all that space?” or “OK, but that’s all the storage you’re going to get, so make it last“. The problem is that storage is a commodity resource, it’s like toner …Read more

  • February 28, 2018
    Ceph Community Newsletter, Feb 2018 edition

    Hey Cephers! We are starting this new section on Ceph website to talk about the project highlights on a monthly newsletter. We hope you enjoy it! Project updates The SUSE OpenAttic team is porting their management dashboard upstream into ceph-mgr, where it will replace the current ‘dashboard’ module and be expanded to include greater management …Read more

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