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  1. Transactions on Storage (TOS)
  2. ACM Transactions on Storage (TOS) : Volume 9
  3. Issue 3, August 2013
  4. SCMFS: A File System for Storage Class Memory and its Extensions
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ACM Transactions on Storage (TOS) : Volume 12
ACM Transactions on Storage (TOS) : Volume 11
ACM Transactions on Storage (TOS) : Volume 10
ACM Transactions on Storage (TOS) : Volume 9
Issue 4, November 2013
Issue 3, August 2013
SCMFS: A File System for Storage Class Memory and its Extensions
Dynamic Synchronous/Asynchronous Replication
BTRFS: The Linux B-Tree Filesystem
A Prefetching Scheme Exploiting both Data Layout and Access History on Disk
Issue 2, July 2013
Issue 1, March 2013
ACM Transactions on Storage (TOS) : Volume 8
ACM Transactions on Storage (TOS) : Volume 7
ACM Transactions on Storage (TOS) : Volume 6
ACM Transactions on Storage (TOS) : Volume 5
ACM Transactions on Storage (TOS) : Volume 4
ACM Transactions on Storage (TOS) : Volume 3
ACM Transactions on Storage (TOS) : Volume 2
ACM Transactions on Storage (TOS) : Volume 1

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SCMFS: A File System for Storage Class Memory and its Extensions

Content Provider ACM Digital Library
Author Wu, Xiaojian Narasimha reddy, A. L. Qiu, Sheng
Copyright Year 2013
Abstract Modern computer systems have been built around the assumption that persistent storage is accessed via a slow, block-based interface. However, emerging nonvolatile memory technologies (sometimes referred to as storage class memory (SCM)), are poised to revolutionize storage systems. The SCM devices can be attached directly to the memory bus and offer fast, fine-grained access to persistent storage. In this article, we propose a new file system---SCMFS, which is specially designed for Storage Class Memory. SCMFS is implemented on the virtual address space and utilizes the existing memory management module of the operating system to help mange the file system space. As a result, we largely simplified the file system operations of SCMFS, which allowed us a better exploration of performance gain from SCM. We have implemented a prototype in Linux and evaluated its performance through multiple benchmarks. The experimental results show that SCMFS outperforms other memory resident file systems, tmpfs, ramfs and ext2 on ramdisk, and achieves about 70% of memory bandwidth for file read/write operations.
Starting Page 1
Ending Page 23
Page Count 23
File Format PDF
ISSN 15533077
e-ISSN 15533093
DOI 10.1145/2501620.2501621
Volume Number 9
Issue Number 3
Journal ACM Transactions on Storage (TOS)
Language English
Publisher Association for Computing Machinery (ACM)
Publisher Date 2013-08-01
Publisher Place New York
Access Restriction One Nation One Subscription (ONOS)
Subject Keyword Storage class memory File systems Performance measurement Storage management
Content Type Text
Resource Type Article
Subject Hardware and Architecture
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