Moving cluster Ceph to Bullseye – The upgrade story
I wanted to try out the newly released Debian version bullseye for my Ceph cluster, so I updated one of my hosts, which in hindsight might have been a bit too early.
Disk failure prediction in your Ceph cluster using SMART.
Keeping track of your disks in a Ceph cluster is important so you could replace them in time before data loss. In this video we look into how to use SMART data to run a machine learning prediction in order predict when a disk fails. SmartMonTools is used locally to fetch the data. The data…
Configure the prometheus alertmanager for you Ceph Cluster
We will look into the Ceph dashboard and the different metrics you can find there. Then we will configure Prometheus Alertmanager to get timely alerts from the metrics in your Ceph Cluster.
How to solve the global id reclaim in your Ceph cluster
We look into what the error about global id reclaim when you upgrade your Ceph cluster is all about. I got this error when I installed my new cluster and had to solve the issue. After reading about the reclaim of the global id I understood that it was a really bad practice and I’m…
Configure the prometheus alertmanager for you Ceph Cluster
We will look into the Ceph dashboard and the different metrics you can find there. Then we will configure Prometheus Alertmanager to get timely alerts from the metrics in your Ceph Cluster.
How to configure the Ceph Grafana dashboards manually
I did not have Grafana dashboards that worked in my Ceph installation. Hence, I had to install Prometheus and Grafana manually and then configure the dashboards to show up in my Ceph cluster dashboard screens.
How to solve the global id reclaim in your Ceph cluster
We look into what the error about global id reclaim when you upgrade your Ceph cluster is all about. I got this error when I installed my new cluster and had to solve the issue. After reading about the reclaim of the global id I understood that it was a really bad practice and I’m…
How to configure the Ceph Grafana dashboards manually
I did not have Grafana dashboards that worked in my Ceph installation. Hence, I had to install Prometheus and Grafana manually and then configure the dashboards to show up in my Ceph cluster dashboard screens.
How to solve the global id reclaim in your Ceph cluster
We look into what the error about global id reclaim when you upgrade your Ceph cluster is all about. I got this error when I installed my new cluster and had to solve the issue. After reading about the reclaim of the global id I understood that it was a really bad practice and I’m…
I wrote a RabbitMQ executor service in Java.
I show off an open-source project I started writing a RabbitMQ executor in Java. This little tool is something you can deploy on a machine in order to execute workloads from a RabbitMQ queue. The executor will run the commands defined by a file and return the result to another queue.