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HiSMRfs, a file system with standard POSIX interface suitable for Shingled Magnetic Recording (SMR) drives, has been designed and developed. HiSMRfs can manage raw SMR drives and support random writes without remapping layer implemented inside SMR drives. To achieve high performance, HiSMRfs separates data and metadata storage, and manages them differently. Metadata is managed using in-memory tree structures and stored in a high performance random write area such as in a SSD. Data writing isdoi:10.1109/msst.2014.6855539 dblp:conf/mss/JinXCHL14 fatcat:kw3umzjt6rhvlki62jdai5c5za