Articles & Content


A04 - DASD for DBAs – The Stuff You Need to Know

Topic: 2015 EMEA

Subtopic: DB2 for z/OS

As DBAs we often devote lots of time and energy to avoiding I/O through tuning our applications, SQL statements and buffer pools. But if all else fails, we still have to wait while data is read from (or written to) disk. It’s easy to think that nothing much changes in the DASD world, but with the enterprise-class Solid State Disk (SSD) becoming increasingly common and new facilities such as zHyperwrite being made available maybe it’s time to take a fresh look. This presentation will briefly review the basics of DB2 I/O performance management before exploring these and other recent developments.

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