Examples

Example 1: The following example shows how to dedicate three initiators to a job class group, ABC, on a dynamic basis (whenever jobs of that class exist in the system) on local main SY1.

GROUP,NAME=ABC,EXRESC=(SY1,3)

Example 2: In the following example, a pool of six TAPES12 devices is fenced for use (in conjunction with nondedicated devices) by jobs in the PROC job class group on local mains SY1 and SY2. Three initiators on both mains are dedicated to this group. (Note that the name TAPES12 defines a group of tape devices accessible from local mains SY1 and SY2.)

GROUP,NAME=PROC,EXRESC=(SY1,3),EXRESC=(SY2,3),
DEVPOOL=(,TAPES12,6)

Example 3: In the following example a WLM-managed group is defined, but the initiator related options are specified in case the group needs to be eventually switched to JES management.

GROUP,NAME=JES3TEST,MODE=WLM,
EXRESC=(SY1,9,,DEMAND,DYNAMIC),
EXRESC=(SY2,10,,DEMAND,MANUAL)

Note: An EXRESC parameter must be specified for each system. The EXRESC parameter specifies which systems the group is allowed to have initiators on. If a particular system name does not appear in the EXRESC parameter, jobs in that group will not be allowed to run on that system.

Example 4: In this example, there are three systems in the SYSPLEX and you want group JES3TEST to run only on two of those systems. Since the initiator options are not specified, the default options will be used. The EXRESC parameter is specified as follows:

GROUP,NAME=JES3TEST,MODE=WLM,EXRESC=SY1,EXRESC=SY2

Example 5: In this example, you want to define an execution resource device fence for a WLM-managed group, and you do not want to define initiator options:

GROUP,NAME=JES3TEST,MODE=WLM,EXRESC=(SY1,,,,,ANY,3490,...3),...

Example 6: In this example, you want to define a JES managed group to all three systems in the SYSPLEX. On each system you want the number of initiators and the initiator allocation and deallocation options to be the same:

Hard Way

  GROUP,NAME=JES3TEST,MODE=JES,
  EXRESC=(SY1,9,,DEMAND,DYNAMIC),
  EXRESC=(SY2,9,,DEMAND,DYNAMIC),
  EXRESC=(SY3,9,,DEMAND,DYNAMIC)

Easy Way

  GROUP,NAME=JES3TEST,MODE=JES,
  EXRESC=(*ALL,9,,DEMAND,DYNAMIC),....

Example 7: In this example, you want to define a WLM-managed group to all three systems in the SYSPLEX.

Hard Way

  GROUP,NAME=JES3TEST,MODE=WLM,
  EXRESC=SY1,
  EXRESC=SY2,
  EXRESC=SY3

Easy Way

  GROUP,NAME=JES3TEST,MODE=WLM,
  EXRESC=*ALL

See the description of the SELECT statement for an example showing how the GROUP statement relates to the SELECT statement.