A talk, a tour and a surprise at the Cephalocon
If you have read our last blog about the upcoming Cephalocon, you might be familiar with the concept already. If you are not familiar with the Cephalocon or our blog, you can read it through the following link: https://www.42on.com/cephalocon-2023/ We are members! We are members of the Ceph Foundation as well as the Linux Foundation. […]
Detecting swap usage by Ceph daemons
Detecting swap usage by Ceph daemons TL;DR: In good Ceph architectures we prefer daemons to be killed, instead of being swapped. This behaviour is much more predictable, detectable and usually informs you about where to fix the actual problem. We use this method to detect whether Ceph daemons are being swapped by the kernel. To […]
Cephalocon 2023 in Amsterdam, The Netherlands!
What is it?Cephalocon is coming up again, this year from April 16th to 18th. If you are not familiar with it you might wonder: “But what exactly is Cephalocon?” For instance, as the Ceph Foundation describes it ‘’Cephalocon is the yearly event that brings together the global community of operators, developers, and researchers for Ceph, […]
Interview with the Fairbanks and 42on HR executive
At Fairbanks and 42on we just love open source! And 2022 was another beautiful year for us, filled with open source awesomeness and challenges. As a company we are always looking forward, but for this blog, let’s look back for a minute. To gain another inside perspective, we have interviewed our HR executive for this […]
42on looking back on 2022
42on looking back on 2022, by Wout van Heeswijk Now that the end of the year is near, Fairbanks and 42on like to reminisce a little on the past year. To do this from multiple perspectives we have interviewed some of our colleagues. Earlier this week we published the interview with Eric Kessels (CTO of […]
Kubernetes storage backend with Rook
About Rook This year we have seen lots of traction of the Rook project and have been talking much about the adoption of Rook within production infrastructures of our clients. We see more and more companies work with it and listened to how efficient the solution is. The reason why we talk much about Rook, […]
The discontinuing of SUSE Enterprise Storage (SES)
The discontinuing of SUSE Enterprise Storage (SES) As you have probably heard by now, SUSE is discontinuing its Ceph-based storage product, SUSE Enterprise Storage (SES). A moment to stress? No. Instead of the open-source-based enterprise object storage platform, the enterprise Linux distributor is now opting for its own persistent storage application, Rancher Longhorn. 42on can […]
How to break your Ceph cluster
How it began In the past we have talked about how to break your Ceph cluster. It began with a talk on ‘’10 ways to break your Ceph cluster’’. This is a presentation that was held by Wido den Hollander, the founder of 42on, during a Ceph conference in Germany. You can watch that talk […]
Ceph object storage and gateway 101
Ceph Object Gateway Ceph Object Gateway, also known as RADOS Gateway (RGW) is an object storage interface built on top of librados to provide applications with a RESTful gateway to Ceph storage clusters. Ceph Object Gateway supports two interfaces: 1. It is S3-compatible: This provides object storage functionality with an interface that is compatible with a […]
A LOKI case study
What is LOKI? Loki is a god in Norse mythology; he is known as a troublemaker and a shapeshifter. In the Marvel franchise he is known as a fictional character portrayed by Tom Hiddleston, though his character is based on the Norse mythological god of the same name. In the open source industry we know […]
