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ACM Transactions on Storage (TOS) - Special Issue USENIX FAST 2015, Volume 11 Issue 4, November 2015

Section: Special Issue USENIX FAST 2015

Introduction to the Special Issue on USENIX FAST 2015
Jiri Schindler, Erez Zadok
Article No.: 15
DOI: 10.1145/2825000

Skylight—A Window on Shingled Disk Operation
Abutalib Aghayev, Mansour Shafaei, Peter Desnoyers
Article No.: 16
DOI: 10.1145/2821511

We introduce Skylight, a novel methodology that combines software and hardware techniques to reverse engineer key properties of drive-managed Shingled Magnetic Recording (SMR) drives. The software part of Skylight measures the latency of...

RAIDShield: Characterizing, Monitoring, and Proactively Protecting Against Disk Failures
Ao Ma, Rachel Traylor, Fred Douglis, Mark Chamness, Guanlin Lu, Darren Sawyer, Surendar Chandra, Windsor Hsu
Article No.: 17
DOI: 10.1145/2820615

Modern storage systems orchestrate a group of disks to achieve their performance and reliability goals. Even though such systems are designed to withstand the failure of individual disks, failure of multiple disks poses a unique set of challenges....

BetrFS: Write-Optimization in a Kernel File System
William Jannen, Leif Walsh, Michael A. Bender, Martin Farach-Colton, Rob Johnson, Bradley C. Kuszmaul, Donald E. Porter, Jun Yuan, Yang Zhan, Amogh Akshintala, John Esmet, Yizheng Jiao, Ankur Mittal, Prashant Pandey, Phaneendra Reddy
Article No.: 18
DOI: 10.1145/2798729

The Bϵ-tree File System, or BetrFS (pronounced “better eff ess”), is the first in-kernel file system to use a write-optimized data structure (WODS). WODS are promising building blocks for storage...

Shuffle Index: Efficient and Private Access to Outsourced Data
Sabrina De Capitani Di Vimercati, Sara Foresti, Stefano Paraboschi, Gerardo Pelosi, Pierangela Samarati
Article No.: 19
DOI: 10.1145/2747878

Data outsourcing and cloud computing have been emerging at an ever-growing rate as successful approaches for allowing users and companies to rely on external services for storing and managing data. As data and access to them are not under the...