October 2006
Intermediate to advanced
160 pages
4h 9m
English
book
DB2 for z/OS: Data Sharing in a Nutshell
by Paolo Bruni, Mark Anders, KyengDong Park, Mark Rader, Judy Ruby-Brown
Content preview from DB2 for z/OS: Data Sharing in a Nutshell
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40 Data Sharing in a Nutshell
3.1 Structure sizing
DB2 structures are allocated to the data sharing group through definitions in the
Coupling Facility Resource Management (CFRM) policy. Each parallel sysplex
has one active CFRM policy. As we go through this exercise, we examine some
examples of the STRUCTURE statement that your z/OS systems team will use in
the definition.
The sizing strategy we employ is: “avoid shooting ourselves in the foot.” All joking
aside, this phrase means that we would rather overcommit CF storage than to
undercommit it when going into data sharing. After you have implemented data
sharing, you can then monitor and tune based on your actual experience. We do
not size for the minimum possible (even if we knew what this ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.