Javier González

Flexible Data Placement (FDP) promises to reduce write amplification by steering writes across reclaim unit handles (RUHs), yet outcomes vary widely across devices. This paper presents WARP, the first open emulator and comprehensive study of FDP SSDs. Our cross-device, cross-workload characteriza...

Standalone hardware-only or software-only methods fail to provide comprehensive coverage in detecting data corruption. End-to-end data protection (E2EDP) addresses this by carrying per-block protection information (PI) throughout the I/O stack, from the application through the system software to...