March 2003
Intermediate to advanced
282 pages
9h 13m
English
book
IMS in the Parallel Sysplex Volume I: Reviewing the IMSplex Technology
by Jouko Jantti, Juan Jesœs Iniesta Mart’nez, Knut Kubein, Bill Stillwell, Gary Wicks
Content preview from IMS in the Parallel Sysplex Volume I: Reviewing the IMSplex Technology
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Chapter 5. IMS shared queues 97
CQS to access a new Coupling Facility list structure called a resource structure. The
resource structure is optional and when used, it contains global resource information for
uniquely named resources.
SRDS data sets and CQS CHKPT data sets
Structure recovery data sets (SRDS) are shared data sets that contain structure recovery
information for shared queues on a structure pair the image copy of the queues. They are
used with OS/390 log stream to recover structures. There are two SRDS data sets per
structure pair. CHKPT data sets are for the CQS checkpoint. They are used for CQS
restart.
System Logger and LOGR policy
System Logger is part of the OS/390 or z/OS and it is used by CQS to log all activity to
and ...
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