The Ceph Blog

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

  • November 25, 2019
    v13.2.7 mimic released

    This is the seventh bugfix release of the Mimic v13.2.x long term stable release series. We recommend all Mimic users upgrade. Notable Changes¶ MDS: Cache trimming is now throttled. Dropping the MDS cache via the “ceph tell mds.<foo> cache drop” command or large reductions in the cache size will no longer cause service unavailability. Behavior …Read more

  • October 22, 2019
    Installing Ceph the Easy-Peasy Way

    Lowering the bar to installing Ceph The last few years have seen Ceph continue to mature in stability, scale and performance to become the leading open source storage platform. However, getting started with Ceph has typically involved the administrator learning automation products like Ansible first. While learning Ansible brings its own rewards, wouldn’t it be …Read more

  • September 17, 2019
    v14.2.4 nautilus released

    This is the fourth release in the Ceph Nautilus stable release series. Its sole purpose is to fix a regression that found its way into the previous release. Notable Changes¶ The ceph-volume in Nautilus v14.2.3 was found to contain a serious regression, described in https://tracker.ceph.com/issues/41660, which prevented deployment tools like ceph-ansible, DeepSea, Rook, etc. from …Read more

  • September 13, 2019
    Rook v1.1: Ceph CSI, Bucket Provisioning, External Clusters, and much more!

    We are excited to announce a number of significant features and improvements for the Ceph operator for Kubernetes in Rook v1.1. Major themes CSI driver ready for production Dynamic bucket provisioning for object storage Connections to an external Ceph cluster Configuration of Mons and OSDs on top of dynamic underlying storage Enablement of Ceph manager …Read more

  • September 4, 2019
    v14.2.3 Nautilus released

    This is the third bug fix release of Ceph Nautilus release series. We recommend all Nautilus users upgrade to this release. This release fixes a security issue.  For upgrading from older releases of ceph, general guidelines for upgrade to nautilus must be followed Notable Changes¶ CVE-2019-10222- Fixed a denial of service vulnerability where an unauthenticated client …Read more

  • August 12, 2019
    Ceph Community Newsletter, July 2019 edition

    Announcements Ceph Upstream Documenter Opportunity While the Ceph community continues to grow and the software improves, an essential part of our success will be a focus on improving our documentation. We’re excited to announce a new contract opportunity that would be funded by the Ceph Foundation to help with this initiative. Below is the contract …Read more

  • August 7, 2019
    The first telemetry results are in

    Since the Mimic (13.2.x) release, Ceph includes the telemetry module. This (opt-in) component sends anonymous, non-identifiable metrics about the cluster back to the Ceph project. These include for example high-level summaries of pool configuration, number of nodes and OSDs, as well Ceph, OS, kernel versions, crashes encountered, and total cluster capacity. More details are available …Read more

  • July 26, 2019
    Ceph Upstream Documenter Opportunity

    While the Ceph community continues to grow and the software improves, an essential part of our success will be a focus on improving our documentation. We’re excited to announce a new contract opportunity that would be funded by the Ceph Foundation to help with this initiative. Below is the contract description. Deliverables and Responsibilities: Create, …Read more

  • July 24, 2019
    New in Nautilus: Orchestrator

    Ceph Nautilus introduces a new orchestrator interface that provides the ability to control external deployment tools like ceph-ansible, DeepSea or Rook.  The vision is to provide a bridge between administrators, Ceph, and external deployment systems. In order to accomplish that, the orchestrator interface enables the Ceph dashboard or the ceph command line tool to access to data provided by different deployment tools …Read more

  • July 22, 2019
    v14.2.2 Nautilus released

    This is the second bug fix release of Ceph Nautilus release series. We recommend all Nautilus users upgrade to this release. For upgrading from older releases of ceph, general guidelines for upgrade to nautilus must be followed Upgrading from Mimic or Luminous. Notable Changes¶ The no{up,down,in,out} related commands have been revamped. There are now 2 …Read more

  • July 11, 2019
    Part – 4 : RHCS 3.2 Bluestore Advanced Performance Investigation

    Introduction Recap: In Blog Episode-3 We have covered RHCS cluster scale-out performance and have observed that, upon adding 60% of additional hardware resources we can get 95% higher IOPS, this demonstrates the scale-out nature of Red Hat Ceph Storage Cluster. This is the fourth episode of the performance blog series on RHCS 3.2 BlueStore running …Read more

  • July 1, 2019
    New Ceph Foundation associate member: SWITCH

    Eight months ago the Ceph Foundation was announced with 31 founding organization members to create an open, collaborative, and neutral home for project stakeholders to coordinate their development and community investments in the Ceph ecosystem.  Since then, three more members have joined, two as General members and one as an Associate member. Today we’re excited …Read more

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