SCHEDULE: NOV 12-18, 2011

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SCMFS: A File System for Storage Class Memory

SESSION: Storage and Memory

EVENT TYPE: Paper

TIME: 11:00AM - 11:30AM

AUTHOR(S):Xiaojian Wu, Narasimha Reddy

ROOM:TCC 305

ABSTRACT:
This paper considers the problem of how to implement a file system on Storage Class Memory (SCM), which is both byte addressable and also non-volatile. We claim that both the existing regular file systems and the memory based file systems are not suitable for SCM. In this paper, we propose a new file system, called SCMFS, which is implemented on the virtual address space. In SCMFS, we utilize the existing memory management module in the operating system to do the block management and keep the space always contiguous for each file. The simplicity of SCMFS not only makes it easy to implement, but also improves the performance. We implemented a prototype in Linux and evaluated its performance through multiple benchmarks.

Chair/Author Details:

Xiaojian Wu - Texas A&M University

Narasimha Reddy - Texas A&M University

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The full paper can be found in the ACM Digital Library