Disk Mirroring with Alternating Deferred Updates.
Christos A. Polyzois, Anupam Bhide, Daniel M. Dias:
Disk Mirroring with Alternating Deferred Updates.
VLDB 1993: 604-617@inproceedings{DBLP:conf/vldb/PolyzoisBD93,
author = {Christos A. Polyzois and
Anupam Bhide and
Daniel M. Dias},
editor = {Rakesh Agrawal and
Se{\'a}n Baker and
David A. Bell},
title = {Disk Mirroring with Alternating Deferred Updates},
booktitle = {19th International Conference on Very Large Data Bases, August
24-27, 1993, Dublin, Ireland, Proceedings},
publisher = {Morgan Kaufmann},
year = {1993},
isbn = {1-55860-152-X},
pages = {604-617},
ee = {db/conf/vldb/PolyzoisBD93.html},
crossref = {DBLP:conf/vldb/93},
bibsource = {DBLP, http://dblp.uni-trier.de}
}
Abstract
Mirroring is often used to enhance the reliability of disk systems, but it is usually considered expensive because it duplicates storage cost and increases the cost of writes.
Transaction processing applications are often disk arm bound.
We show that for such applications mirroring can be used to increase the efficiency of data accesses.
The extra disk arms pay for themselves by providing extra bandwidth to the data, so that the cost of the overall system compares favorably with the cost of non-redundant disks.
The basic idea is to have the mirrored disks out of phase with one handling reads and the other applying a batch of writes.
We also present an efficient recovery procedure that allows reconstruction of afailed disk while guaranteeing the same level of read performance as during normal operation.
Copyright © 1993 by the VLDB Endowment.
Permission to copy without fee all or part of this material is granted provided that the copies are not made or
distributed for direct commercial advantage, the VLDB
copyright notice and the title of the publication and
its date appear, and notice is given that copying
is by the permission of the Very Large Data Base
Endowment. To copy otherwise, or to republish, requires
a fee and/or special permission from the Endowment.
Online Paper
CDROM Version: Load the CDROM "Volume 1 Issue 5, VLDB '89-'97" and ...
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Printed Edition
Rakesh Agrawal, Seán Baker, David A. Bell (Eds.):
19th International Conference on Very Large Data Bases, August 24-27, 1993, Dublin, Ireland, Proceedings.
Morgan Kaufmann 1993, ISBN 1-55860-152-X
Contents 
References
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SIGMETRICS 1990: 74-85
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SIGMOD Conference 1988: 109-116
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Distorted Mirrors.
PDIS 1991: 10-17
Copyright © Tue Mar 16 02:22:03 2010
by Michael Ley (ley@uni-trier.de)
