Planet Ceph

Aggregated news from external sources

  • April 9, 2018
    Ceph Dashboard v2 update

    It’s been a little over a month now since we reached Milestone 1 (feature parity with Dashboard v1), which was merged into the Ceph master branch on 2018-03-06. After the initial merge, we had to resolve a few build and packaging related issues, to streamline the ongoing development, testing and packaging of the new dashboard …Read more

  • April 1, 2018
    Ansible module to manage CephX Keys

    Following our recent initiative on writing more Ceph modules for Ceph Ansible, I’d like to introduce one that I recently wrote: ceph_key. The module is pretty straightforward to use and will ease your day two operations for managing CephX keys. It has several capabilities such as: create: will create the key on the filesystem with …Read more

  • March 28, 2018
    The Ceph MON synchronization (election)

    The Ceph MON synchronization (election) Here recently I had got asked a question about Ceph that I wasn’t entirely sure how to answer. It had to do with how the synchronization (election) process worked between monitors. I had an idea, but wasn’t quite sure. So here is a quick synopsis of what I found out. …Read more

  • March 26, 2018
    Handling app signals in containers

    A year ago, I was describing how we were debugging our ceph containers; today I’m back with yet another great thing we wrote :). Sometimes, when a process receives a signal and if that process runs within a container, you might want to do something before or after its termination. That’s what we are going …Read more

  • March 23, 2018
    parted会启动你的ceph osd,意外不?

    前言 如果看到标题,你是不是第一眼觉得写错了,这个怎么可能,完全就是两个不相关的东西,最开始我也是这么想的,直到我发现真的是这样的时候,也是很意外,还是弄清楚下比较好,不然在某个操作下,也许就会出现意想不到的情况 定位 如果你看过我的博客,正好看过这篇ceph在centos7下一个不容易发现的改变,那么应该还记得这个讲的是centos 7 下面通过udev来实现了osd的自动挂载,这个自动挂载就是本篇需要了解的前提 [root@lab101 ~]# df -h|grep ceph/dev/sdf1 233G 34M 233G 1% /var/lib/ceph/osd/ceph-1[root@lab101 ~]# systemctl stop ceph-osd@1[root@lab101 ~]# umount /dev/sdf1 [root@lab101 ~]# parted -l &>/dev/null[root@lab101 ~]# df -h|grep ceph/dev/sdf1 233G 34M 233G 1% /var/lib/ceph/osd/ceph-1[root@lab101 ~]# ps -ef|grep osdceph 62701 1 1 23:25 ? 00:00:00 /usr/bin/ceph-osd -f –cluster ceph –id 1 –setuser ceph …Read more

  • March 20, 2018
    See you at the first Cephalocon

    Tomorrow, the first conference fully dedicated to Ceph will start in Beijin, China. I’m attending and super excited. I will see you there! Source: Sebastian Han (See you at the first Cephalocon)

  • March 18, 2018
    Huge changes in ceph-container

    A massive refactor done a week ago on ceph-container. And yes, I’m saying ceph-container, not ceph-docker anymore. We don’t have anything against Docker, we believe it’s excellent and we use it extensively. However, having the ceph-docker name does not reflect the content of the repository. Docker is only the Dockerfile, the rest is either entrypoints …Read more

  • March 15, 2018
    Ansible module to create CRUSH hierarchy

    First post of the year after a long time with no article, three months… I know it has been a while, I wish I had more time to do more blogging. I have tons of draft articles that never made it through, I need to make up for lost time. So for this first post, …Read more

  • March 13, 2018
    The initial Ceph Dashboard v2 pull request has been merged!

    It actually happened exactly one week ago while I was on vacation: it’s our great pleasure and honor to announce that we have reached our first milestone – the initial Ceph Dashboard v2 pull request has now been merged into the upstream Ceph master git branch, so it will become part of the upcoming Ceph …Read more

  • March 7, 2018
    openATTIC 3.6.2 has been released

    We’re happy to announce version 3.6.2 of openATTIC! Version 3.6.2 is the second bugfix release of the 3.6 stable branch, containing fixes for multiple issues that were reported by users. One new feature that we want to point out is the internationalization. openATTIC has been translated to Chinese and German to be present on other …Read more

  • March 6, 2018
    CephFS Admin Tips – Create a new user and share

    Hi my name is Stephen McElroy, and in this guide I will be showing how to create a new user, set permissions, set quotas, mount the share, and make them persistent on the client. Creating the user On the Ceph admin nodeLets create a basic user and give it capabilities to read the / and …Read more

  • March 1, 2018
    The Ceph Dashboard v2 pull request is ready for review!

    About a month ago, we shared the news that we started working on a replacement for the Ceph dashboard, to set the stage for creating a full-fledged, built-in web-base management tool for Ceph. We’re happy to announce that we have now finalized the preparations for the initial pull request, which marks our first milestone in …Read more