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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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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What about our Ceph Fundamentals training?

What about our Ceph Fundamentals training? 1740 1160 Michiel Manten

Currently we are planning a new Ceph Fundamentals training course for November or December. Because of this we thought it would be nice to share some more information on the topics of this training course. The 42on Ceph Fundamentals Training is a 2 day online, instructor led training course. The training is led by one…

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A brief history on Ceph

A brief history on Ceph 2560 1440 Michiel Manten

Ceph has emerged as the leading distributed storage platform. By using commodity hardware and software-defined controls, Ceph has proven its worth as an answer to the scaling data needs of today’s businesses. Ceph is a software-defined storage solution designed to address the object, block, and file storage needs of data centres adopting open source as…

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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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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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NFS-Ganesha with libcephfs on Ubuntu 14.04

NFS-Ganesha with libcephfs on Ubuntu 14.04 1267 950 Wido den Hollander

This week I’m testing a lot with CephFS and one of the things I never tried was re-exporting CephFS using NFS-Ganesha and libcephfs. NFS-Ganesha is a NFS server which runs in userspace. It has multiple backends (FSALs) it can use and libcephfs is one of them. libcephfs is a userspace library which you can use…

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Ceph with a cluster and public network on IPv6

Ceph with a cluster and public network on IPv6 1267 950 Wido den Hollander

I’m a big fan of Ceph and IPv6, so I always try to deploy Ceph over IPv6 when possible. Ceph is the future, just like IPv6 is. Why implement legacy? Recently I did a deployment of Ceph with a public and cluster network running over IPv6. It has a small catch, so I let me…

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Deploying Ceph over IPv6

Deploying Ceph over IPv6 1500 1000 Wido den Hollander

I like to deploy Ceph clusters over IPv6. I actually think that’s the way forward. IPv4 is legacy just like iSCSI and NFS are. Last week I was at a customer deploying a new Ceph cluster and they wanted to deploy with IPv6! Most deployment I did with IPv6 were done manually and not with…

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