July 2010
Intermediate to advanced
448 pages
12h 22m
English
Content preview from Physical Database Design
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288 CHAPTER 13 Down to the Metal: Server Resources and Topology
13.7.10 Which RAID Is Right for Your
Database Requirements?
Deciding which RAID strategy to use remains something of an art. However, the indus-
try does appear to be converging around specific usage. RAID 5 is the dominant strat-
egy for data stored within the database itself. It provides a reasonable balance between
striping redundancy and recoverability and cost. RAID 10 is used as well, somewhat less
commonly most likely because roughly half the disk is used for parity, making this a
robust but expensive alternative.
However, in addition to the actual active data of the database, such ...
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