M.S. student at Software Platforms Lab, Hanyang University, researching storage systems โ ZNS SSDs, FTL design, and the Linux kernel I/O stack.
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Full portfolio & publications โ owunr.com
- Designing HyZNS: a ZNS SSD with a flexibly resizable conventional namespace area (under review)
- Building device-level monitoring tools on FEMU
- Exploring CXL-attached SSDs: studying memory-semantic storage through the Cylon CXL-SSD emulator
- FEMU - Flash-based NVMe SSD emulator: NAND timing, ZNS write caches, Zone reset with erase latency per channel/way/plane, DSM/TRIM for the page-mapped FTL, and more (#205, #204, #201, #200, #195, #178, #174, #172, #163)
- Cylon (merged into FEMU) - a CXL-SSD emulator exposing the SSD as byte-addressable CXL.mem with a DRAM buffer cache in front: concurrent cache-miss handling across pages, and eliding TLB flushes for never-accessed EPT entries (#211, #212)
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