Innovation and monopolies in data storage

Reading time: 3 minutesI’m working with my team to build a company in a very mature market. It has been around for a long time, more than 50 years. It’s a market that’s more than 100 billion $ / years. I constantly challenge myself to understand the consequences of this choice. In this market there are about 5 players, EMC, HP, IBM to name a few who own more than 70% market share. …

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A dive into filesystems – ZFS – part 1

Reading time: 5 minutesI’m starting a series of posts about ZFS. I will try to provide as much as possible architectural diagrams and code examples. The series is for people wanting to learn more about general filesystem architecture, especially about ZFS (OpenZFS). I will restrict myself for now to the implementation and architecture on Illumos, the open source fork of OpenSolaris. Let’s start with the higher level abstraction, the Virtual File System. Like …

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OpenZFS European Conference

Reading time: 4 minutesOn the 20th of May, this year, the first European Open ZFS conference was held in Paris. It was a great event and an absolute privilege for us to participate as presenters and sponsors. The main guest was the co-creator of ZFS, Matt Ahrens. We started by having Matt present the current state of OpenZFS, future enhancements and features that are on the roadmap. It all began with a nice …

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