Databases Reference
In-Depth Information
4
Storage Systems
WHAT'S IN THIS CHAPTER?
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Storage and RAID technology
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Choosing the right storage network
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The SQL I/O system
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Windows I/O system
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Confi guration best practices
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Storage performance
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Storage validation and testing
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INTRODUCTION
Storage systems have been confounding database administrators and designers since Microsoft
i rst released SQL Server. Today DBAs are not only required to design and maintain SQL
Server, but are also often pressed into service as storage administrators. For DBAs working in
the enterprise, communication with the server, networking, and especially storage teams are
always a challenge.
This chapter will equip you, the humble database professional, with the knowledge needed to
dei ne proper storage performance. More important, you will gain insight and a common lan-
guage that enables you to communicate with storage networking teams. We will follow SQL
server reads and writes as they traverse the Windows and storage stacks.
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