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Existing block-based parallel file systems, which are deployed in the storage area network (SAN), blend metadata with data in underlying disks. Unfortunately, such symmetric architecture is prone to system-level failures, as metadata on shared disks can be damaged by a malfunctioning client. In this paper, we present an asymmetric block-based parallel file system, Redbud, which isolates the metadata...
With increased density and decreased price, flash memory has been widely used in storage systems for its low latency and low power features. However, traditional storage systems are designed and excessively optimized for magnetic disks, and the potential of flash memory is not brought into full play in the form of Solid State Drives (SSDs). In this paper, we propose p-OFTL, an object-based semantic-aware...
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