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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166 IMS in the Parallel Sysplex, Volume I: Reviewing the IMSplex Technology
Figure 7-14 Resource Manager, Common Queue Server, and resource structure
7.6.4 RM clients and their roles
Figure 7-15 shows how these different components communicate with each other. IMS and
RM communicate using SCI services. If IMS and RM are on the same OS/390 image, SCI
uses cross-memory calls. If they are on different OS/390 images, SCI uses XCF signalling.
Resource
List Structure
LOGR
List Structures
SMQ
List Structures
OSAM
Cache Structure
VSAM
Cache Structure
Shared VSO
Cache
Structures
IRLM
Lock Structure
VGR
List Structure
MNPS
List Structure
Operations
Manager
(OM)
SCI
Structured ...
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