Teoman Onay
Software Engineer at IBM
Villers-la-Ville, Walloon Brabant, Belgium
Summary
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RockstarTeoman Onay is a seasoned software engineer with 13 years of experience focused on infrastructure, DevOps, and production-grade storage orchestration. Based in Belgium, he is an active open source maintainer and primary author of cephadm-ansible, contributing directly to the Ceph project's containerized deployment, systemd, and NFS/ISCSI integration work. His background spans hands-on roles at IBM and Red Hat and long-term banking and media infrastructure positions, giving him deep operational insight into Linux, VMware, and large-scale service reliability. Teoman’s work is distinguished by practical fixes for container resource limits, SELinux relabeling, and cross-engine compatibility (Podman/Docker), reflecting a pragmatic focus on making complex distributed storage reliably deployable.
13 years of coding experience
23 years of employment as a software developer
Github Skills (21)
podman10
docker10
python10
containerization10
dockers10
ansible10
ceph10
ansible-galaxy10
devops10
nfs9
linux9
kubernetes-pods8
kubernetes8
yaml7
vagrant7
Programming languages (4)
Github contributions (5)
ceph/ceph-ansible
Aug 2021 - Jan 2023
Ansible playbooks to deploy Ceph, the distributed filesystem.
Role in this project:
DevOps Engineer
DevOps EngineerContributions:59 reviews, 51 commits, 160 PRs in 1 year 5 months
Contributions summary:Teoman primarily focused on improving the deployment and containerization aspects of the Ceph Ansible project. They addressed issues related to container resource limits, SELinux relabeling, and general compatibility with different container engines (Podman and Docker). The user's contributions included modifying service definitions and related configurations to ensure proper functioning within containerized environments, while also addressing bugs and vulnerabilities related to container deployment in the Ceph cluster. Moreover, the user has made enhancements by fixing issues with the Vagrant box, and making sure to apply a recent version of it.
pythonvagrantdevopsansibleceph
ceph/ceph
Nov 2021 - May 2022
Ceph is a distributed object, block, and file storage platform
Role in this project:DevOps Engineer
DevOps EngineerContributions:123 reviews, 7 commits, 16 PRs in 6 months
Contributions summary:Teoman primarily focused on modifying and improving the deployment and configuration of Ceph services within a containerized environment. This includes addressing issues related to container resource limits (pids-limit), modifying systemd configurations for Iscsi container, and adjusting Cephadm setup for NFS server customization. The user also contributed to enhancing the usability and functionality of the Ceph orchestration framework.
fusefile-storagecephstorageopenebs
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