A case for redundant arrays of inexpensive disks (RAID)
SIGMOD '88 Proceedings of the 1988 ACM SIGMOD international conference on Management of data
Massive arrays of idle disks for storage archives
Proceedings of the 2002 ACM/IEEE conference on Supercomputing
PB-LRU: a self-tuning power aware storage cache replacement algorithm for conserving disk energy
Proceedings of the 18th annual international conference on Supercomputing
Power-Aware Storage Cache Management
IEEE Transactions on Computers
Reducing Energy Consumption of Disk Storage Using Power-Aware Cache Management
HPCA '04 Proceedings of the 10th International Symposium on High Performance Computer Architecture
A flash-memory based file system
TCON'95 Proceedings of the USENIX 1995 Technical Conference Proceedings
PARAID: a gear-shifting power-aware RAID
FAST '07 Proceedings of the 5th USENIX conference on File and Storage Technologies
Optimizing power consumption in large scale storage systems
HOTOS'07 Proceedings of the 11th USENIX workshop on Hot topics in operating systems
BPLRU: a buffer management scheme for improving random writes in flash storage
FAST'08 Proceedings of the 6th USENIX Conference on File and Storage Technologies
Write off-loading: practical power management for enterprise storage
FAST'08 Proceedings of the 6th USENIX Conference on File and Storage Technologies
A case for flash memory ssd in enterprise database applications
Proceedings of the 2008 ACM SIGMOD international conference on Management of data
Improving NAND Flash Based Disk Caches
ISCA '08 Proceedings of the 35th Annual International Symposium on Computer Architecture
Design tradeoffs for SSD performance
ATC'08 USENIX 2008 Annual Technical Conference on Annual Technical Conference
Migrating server storage to SSDs: analysis of tradeoffs
Proceedings of the 4th ACM European conference on Computer systems
FlashLogging: exploiting flash devices for synchronous logging performance
Proceedings of the 2009 ACM SIGMOD International Conference on Management of data
Using transparent compression to improve SSD-based I/O caches
Proceedings of the 5th European conference on Computer systems
SieveStore: a highly-selective, ensemble-level disk cache for cost-performance
Proceedings of the 37th annual international symposium on Computer architecture
DFS: a file system for virtualized flash storage
FAST'10 Proceedings of the 8th USENIX conference on File and storage technologies
SRCMap: energy proportional storage using dynamic consolidation
FAST'10 Proceedings of the 8th USENIX conference on File and storage technologies
Exploiting Concurrency to Improve Latency and throughput in a Hybrid Storage System
MASCOTS '10 Proceedings of the 2010 IEEE International Symposium on Modeling, Analysis and Simulation of Computer and Telecommunication Systems
I-CASH: Intelligently Coupled Array of SSD and HDD
HPCA '11 Proceedings of the 2011 IEEE 17th International Symposium on High Performance Computer Architecture
DiscPOP: Power-aware buffer management for disk accesses
IGCC '11 Proceedings of the 2011 International Green Computing Conference and Workshops
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In this paper, we describe a novel architecture for Energy-efficient Hybrid storAge system composed of a flash memory-based solid state disk (SSD) and multiple hard disk drives (HDD) called E-HASH. We arrange SSD and HDDs in a horizontal style. The SSD stores the most frequently read data and the HDDs store a log of update distance between currently accessed I/O blocks and their corresponding original blocks and handle all the writes. In consideration of disk energy saving, the distance and original data will be merged periodically. Consequently, the underutilized HDD can gain more chance to switch to low power state even spin down. E-HASH makes use of the fast read performance of SSD and the considerably high sequential write speed of mechanical HDDs to maximize system performance. The lifespan of SSD is prolonged due to avoidance of online writes. Our trace-driven simulation combined with a popular storage simulator has been implemented to evaluate E-HASH performance. Compared with most of existing SSD/HDD hybrid architectures, our experimental results show that E-HASH reduces average I/O response time by 72% to RAID and 53% to existing SSD/HDD storage hierarchies. The energy consumption is reduced by 61% and 45.2%, respectively.