CLI

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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Best practices for cephadm and expanding your Ceph infrastructure

Best practices for cephadm and expanding your Ceph infrastructure 1771 1180 Michiel Manten

If you want to expand your Ceph cluster by adding a new one, it is good to know what the best practices are. So, here is some more information about cephadm and some tips and tricks for expanding your Ceph cluster. First a little bit about cephadm. Cephadm creates a new Ceph cluster by “bootstrapping”…

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Migration options for SUSE Enterprise Storage (SES) users

Migration options for SUSE Enterprise Storage (SES) users 1350 900 Michiel Manten

A few weeks ago, I posted a blog about how SUSE pulled the plug on SUSE Enterprise Storage (SES). SES is a Linux-based computer data storage product developed by SUSE and built on Ceph technology. A quick recap on the matter is that in 2020, SUSE acquired Rancher Labs, a Kubernetes management software vendor, and…

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Protecting your Ceph pools against removal or property changes

Protecting your Ceph pools against removal or property changes 1506 1001 Wido den Hollander

One of the dangers of Ceph was that by accident you could remove a multi TerraByte pool and loose all the data. Although the CLI tools asked you for conformation, librados and all it’s bindings did not. Imagine explaining that you just removed a 200TB pool from your storage system due to a typo in…

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