open source

About RBD, Rados Block Device

About RBD, Rados Block Device 2560 1437 Michiel Manten

For anybody enjoying Latin pop in the 2000’s, RBD was a popular Mexican pop band from Mexico City labelled by EMI Virgin. The group achieved international success from 2004 until their separation in 2009 and sold over 15 million records worldwide, making them one of the best-selling Latin music artists of all time. The group…

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Managing containerized Ceph clusters with cephadm

Managing containerized Ceph clusters with cephadm 1313 600 Michiel Manten

Cephadm is a great new feature of Ceph v15.2.0 (Octopus). By using cephadm, users have more freedom and flexibility to think about the future migration paths. But what is cephadm it exactly? Well, the goal of cephadm is to provide a fully-featured, robust, and well-maintained installation method. It deploys Ceph in containers while not depending…

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A huge thanks to Sage Weil

A huge thanks to Sage Weil 1740 1160 Michiel Manten

Ceph was developed by Sage Weil in 2003 as a part of his PhD project. It was open sourced in 2006 to serve as a reference implementation and research platform. DreamHost, a Los-Angeles-based web hosting and domain registrar company also co-founded by Sage Weil, supported Ceph development from 2007 to 2011. During this period Ceph as we know it took shape: the core…

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The importancy of upgrading and updating Ceph consistently

The importancy of upgrading and updating Ceph consistently 2070 1380 Michiel Manten

During our Ceph consultancy projects we often get questions about Ceph versions. A question we get a lot is about what Ceph version should be used, do I use the latest or an earlier version? Another question is about running different Ceph versions on one cluster, is this a bad thing? I thought it might…

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Cephalocon 2021, Let’s talk Ceph!

Cephalocon 2021, Let’s talk Ceph! 1500 1000 Michiel Manten

At this moment we are busy with the organization of another Cephalocon. Cephalocon is an annual event organized by the Ceph Foundation. By organizing Cephalocon, Ceph aims to bring together technologists and adopters from across the globe to showcase Ceph’s history and its future, demonstrate real-world applications, and highlight vendor solutions. By doing this, Ceph…

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ZFS and Ceph, what a lovely couple they make!

ZFS and Ceph, what a lovely couple they make! 1500 1000 Michiel Manten

Stable, secure data storage is probably one of the most important things in today’s data driven world. With the ability to scale fast. Combining two great storage solutions provides you with all those in one. ZFS and Ceph are a couple that cannot easily be beaten! Why is that? The short explanation is scalability. ZFS…

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Press release

Press release 1600 899 Michiel Manten

Fairbanksacquires 42on.Fairbanks, leading provider in open source cloud solutions, announces the acquisition of 42on, leading provider of services for the Ceph storage platform.Read press release Pressrelease. Amersfoort, July 23 2019 Fairbanks, leading provider in open source cloud solutions, announces the acquisition of 42on, leading provider of services for the scalable, open source Ceph storage platform.…

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HAProxy in front of Ceph Manager dashboard

HAProxy in front of Ceph Manager dashboard 1500 1000 Wido den Hollander

The Ceph Mgr dashboard plugin allows for an easy dashboard which can show you how your Ceph cluster is performing. In certain situations you can’t contact the Mgr daemons directly and you have to place a Proxy server between your computer and the Mgr daemons. This can be done easily with HAProxy and the following…

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VXLAN with VyOS and Ubuntu 18.04

VXLAN with VyOS and Ubuntu 18.04 1267 950 Wido den Hollander

VXLAN Virtual Extensible LAN uses encapsulation technique to encapsulate OSI layer 2 Ethernet frames within layer 4 UDP datagrams. More on this can be found on the link provided. For a Ceph and CloudStack environment I needed to set up a Proof-of-Concept using VXLAN and some refurbished hardware. The main purpose of this PoC is…

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Placement Groups with Ceph Luminous stay in activating state

Placement Groups with Ceph Luminous stay in activating state 1500 1001 Wido den Hollander

Placement Groups stuck in activating When migrating from FileStore with BlueStore with Ceph Luminuous you might run into the problem that certain Placement Groups stay stuck in the activating state. 44 activating+undersized+degraded+remapped PG Overdose This is a side-effect of the new PG overdose protection in Ceph Luminous. Too many PGs on your OSDs can cause…

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