Worked on the azurelinux-security/azurelinux repository to deliver a targeted feature enhancing QEMU’s live migration reliability. Focused on system programming in C, the work introduced block device activation state management during migration, addressing challenges with inactive nodes and reducing downtime during virtual machine transfers. By managing block device states throughout the migration process, the solution improved stability and resilience for production deployments. Leveraging expertise in QEMU, block device management, and virtualization, the developer addressed edge-case migration failures, ensuring smoother transitions for VMs. The contribution reflects a deep understanding of low-level virtualization mechanics and production-grade system reliability requirements.