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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76 Data Sharing in a Nutshell
SYNCVAL There is no difference that occurs in data sharing except the
need to perform analysis on all members or a group. When
they have differing statistics time starts, it is difficult to match
them with each other or with an RMF interval that the z/OS
systems staff might have. Specify it at the offset to an hour
that the z/OS systems staff uses for RMF. Commonly it is
0,15,30,45 (for 15 minute intervals), but occasionally an
installation will choose differently.
PCLOSEN For this setting and that for PCLOSET, we recommend that
you look at “Data sets converted from R/W → R/O” in the
Statistics long report. Leave the default until you see more
than 10-20 per minute converted to R/O. See 7.1, “CLOSE
YES and CLOSE ...
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