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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254 IMS in the Parallel Sysplex, Volume I: Reviewing the IMSplex Technology
12.1.13 ARM and FDBR
ARM support is provided for both IMS and FDBR.
ARM support for IMS with FDBR active
ARM support is available for IMS through the “ARMRST=Y” execution parameter. When an
FDBR system using ARM tracks an IMS system, it notifies ARM that it is doing the tracking
and that ARM should not restart this IMS if it fails. FDBR uses the ASSOCIATE function of
ARM to make this notification. So, even if IMS registers to ARM, IMS will not be restarted after
its failures when FDBR is active and using ARM.
If FDBR is terminated normally, it notifies ARM. This tells ARM to restart the tracked IMS if
this IMS has previously registered to ARM. This is appropriate since ...
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