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SCMFS: A File System for Storage Class Memory and its Extensions
Xiaojian Wu, Sheng Qiu, A. L. Narasimha Reddy
Article No.: 7
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...
Online, remote, data replication is critical for today’s enterprise IT organization. Availability of data is key to the success of the organization. A few hours of downtime can cost from thousands to millions of dollars With increasing...
BTRFS is a Linux filesystem that has been adopted as the default filesystem in some popular versions of Linux. It is based on copy-on-write, allowing for efficient snapshots and clones. It uses B-trees as its main on-disk data structure. The...
A Prefetching Scheme Exploiting both Data Layout and Access History on Disk
Song Jiang, Xiaoning Ding, Yuehai Xu, Kei Davis
Article No.: 10
Prefetching is an important technique for improving effective hard disk performance. A prefetcher seeks to accurately predict which data will be requested and load it ahead of the arrival of the corresponding requests. Current disk prefetch...