Pavel Razumovsky contributed to the Mirantis/hmc repository by delivering OpenStack ORC integration and enhancing storage configurability for Kubernetes clusters. He implemented ORC v1.0.0 manifest and CRDs, automating deployment through Helm and Makefile tooling, which streamlined cluster provisioning and reduced manual configuration. Pavel also extended the openstack-standalone-cp component to support additional block devices, enabling more flexible storage solutions. Addressing reliability, he fixed a regionalization bug in the OpenStack CCM providerID, ensuring accurate region identification for cluster nodes. His work demonstrated practical expertise in cloud infrastructure, DevOps, and YAML, with a focus on scalable, maintainable solutions for OpenStack environments.