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Proceedings of the sixteenth international conference on Very large databases
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SOSP '91 Proceedings of the thirteenth ACM symposium on Operating systems principles
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ISCA '92 Proceedings of the 19th annual international symposium on Computer architecture
Parity declustering for continuous operation in redundant disk arrays
ASPLOS V Proceedings of the fifth international conference on Architectural support for programming languages and operating systems
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Journal of Parallel and Distributed Computing - Special issue on parallel I/O systems
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ISCA '93 Proceedings of the 20th annual international symposium on computer architecture
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ISCA '93 Proceedings of the 20th annual international symposium on computer architecture
SIGMOD '93 Proceedings of the 1993 ACM SIGMOD international conference on Management of data
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SIGMOD '93 Proceedings of the 1993 ACM SIGMOD international conference on Management of data
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SOSP '95 Proceedings of the fifteenth ACM symposium on Operating systems principles
Dynamic parity stripe reorganizations for RAID5 disk arrays
PDIS '94 Proceedings of the third international conference on on Parallel and distributed information systems
PDIS '91 Proceedings of the first international conference on Parallel and distributed information systems
FODO '93 Proceedings of the 4th International Conference on Foundations of Data Organization and Algorithms
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VLDB '95 Proceedings of the 21th International Conference on Very Large Data Bases
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IEEE Transactions on Parallel and Distributed Systems
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ICDE '05 Proceedings of the 21st International Conference on Data Engineering
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ATEC '00 Proceedings of the annual conference on USENIX Annual Technical Conference
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The Journal of Supercomputing
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ACM Transactions on Storage (TOS)
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FAST'03 Proceedings of the 2nd USENIX conference on File and storage technologies
HPDA: A hybrid parity-based disk array for enhanced performance and reliability
ACM Transactions on Storage (TOS)
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This paper proposes a storage management scheme for disk arrays, named hot mirroring. In this scheme, storage space is partitioned into two regions. One is the mirrored region, which is characterized by high performance and low storage efficiency. The other is the RAID5 region, which is characterized by low performance and high storage efficiency. Hot data blocks are stored in the former area, while cold blocks are stored in the latter. In addition, mirrored pairs and RAID5 stripes are orthogonally laid out, through which the performance degradation during rebuilding is minimized. Hot block clustering in hot mirroring achieves higher performance than conventional RAID5 arrays. The potential of hot mirroring is examined through extensive simulation.