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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250 IMS in the Parallel Sysplex, Volume I: Reviewing the IMSplex Technology
12.1 ARM considerations
IMS regions that support ARM have an ARMRST parameter. If ARMRST=N is specified, the
region does not register with ARM.
When ARM restarts an IMS online system, IMS will always use AUTO=Y. This is true even if
AUTO=N is specified. The use of AUTO=Y eliminates the need for the operator to enter the
/ERE command.
When ARM restarts an IMS online system, IMS specifies the OVERRIDE parameter when
appropriate. This eliminates the requirement for an operator action during automatic restarts.
12.1.1 Exceptions to automated restarts of IMS
An IMS online system will not be automatically restarted by ARM in the following situations:
An ARM policy is not active. ...
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