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Corrupt copies on the OpenBSD CI worker

Last week I updated the OpenBSD workers to OCaml 5.5.0 and took that opportunity to deploy OpenBSD 7.8. Shortly after, issue#1061 was opened as jobs randomly failed with an opam parse error.

30 Jun 2026

Marc Elvers

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Docker 29 and COPY –link –chown

After deploying the QEMU RISC-V machines, the base image builder ran into issues on the first Docker build.

06 Jun 2026

Marc Elvers

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Blade Server Reallocation

We have changed our mind about using dm-cache in the SSD/RAID1 configuration. The current thinking is that the mechanical drives would be better served as extra capacity for our distributed ZFS infrastructure, where we intend to have two copies of all data, and these disks represent ~100TB of storage.

25 Apr 2025

Marc Elvers

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New Try-Alt-Ergo

Have you heard about our Try-Alt-Ergo website? Created in 2014 (see our blogpost), the first objective was to facilitate access to our performant SMT Solver Alt-Ergo. Try-Alt-Ergo allows you to write and run your problems in your browser without any server computation. This playground website has be...

29 Mar 2021

OCamlPro

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