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» Disk Scrubbing in Large Archival Storage Systems
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MASCOTS
2004
13 years 6 months ago
Disk Scrubbing in Large Archival Storage Systems
Large archival storage systems experience long periods of idleness broken up by rare data accesses. In such systems, disks may remain powered off for long periods of time. These s...
Thomas J. E. Schwarz, Qin Xin, Ethan L. Miller, Da...
OSDI
2008
ACM
14 years 5 months ago
On the Impact of Disk Scrubbing on Energy Savings
The increasing use of computers for saving valuable data imposes stringent reliability constraints on storage systems. Reliability improvement via use of redundancy is a common pr...
Guanying Wang, Ali Raza Butt, Chris Gniady
PDPTA
2004
13 years 6 months ago
Verification of Parity Data in Large Scale Storage Systems
Highly available storage uses replication and other redundant storage to recover from a component failure. If parity data calculated from an erasure correcting code is not updated...
Thomas J. E. Schwarz
SIGMETRICS
2008
ACM
121views Hardware» more  SIGMETRICS 2008»
13 years 4 months ago
Disk scrubbing versus intra-disk redundancy for high-reliability raid storage systems
Two schemes proposed to cope with unrecoverable or latent media errors and enhance the reliability of RAID systems are examined. The first scheme is the established, widely used d...
Ilias Iliadis, Robert Haas, Xiao-Yu Hu, Evangelos ...
FAST
2008
13 years 7 months ago
Pergamum: Replacing Tape with Energy Efficient, Reliable, Disk-Based Archival Storage
As the world moves to digital storage for archival purposes, there is an increasing demand for reliable, lowpower, cost-effective, easy-to-maintain storage that can still provide ...
Mark W. Storer, Kevin M. Greenan, Ethan L. Miller,...