Linux

Adding storage to a ceph cluster Members Public

Ceph is meant to store data. A natural requirement therefore is to add data to the cluster in order to provide the cluster the ability to actually store data. This article describes how to add storage to your existing cluster.

Daniel Nachtrub
Daniel Nachtrub
Linux

Debian - Kernelupdate via backports Members Public

Working with machines running on debian is great - debian is a distribution that focuses on stable environments. Providing stability comes - as everything - with a cost: Packages provided with a distribution are not latest & greatest, they are proven. TL;DR Using debian backports is a good way

Daniel Nachtrub
Daniel Nachtrub
Linux

Setting up a ceph cluster Members Public

Ceph is an open-source storage platform that is built on top of an object storage and provides different ways to build application storage on top. This article will focus on how to deploy a ceph cluster from zero.

Daniel Nachtrub
Daniel Nachtrub
Linux

Ceph - Upgrade feature levels Members Public

Upgrading distributed systems implies running everything so it's compatible. Ceph is using feature maps to ensure compatibility. This article shows how to ugprade the feature level of a ceph cluster.

Daniel Nachtrub
Daniel Nachtrub
Linux

Linux - i/o monitor and test tools Members Public

This post shows a few tools that are useful to check for i/o issues on linux systems by watching current i/o or testing the subsystem explicitly.

Daniel Nachtrub
Daniel Nachtrub
Linux