The example tasks described so far in this chapter have all been concerned
with workload balancing. This example describes how to use the Web User Interface
(WUI) to define some workload separation requirements to CICSPlex® SM. Specifically,
you want CICSPlex SM always to route the transaction PAY1 to the target region CICSPA02,
which belongs to CICS system group CSGTGTS1. Note that you are still working
in CICSplex PLXPROD1, and that workload balancing, from a single CICSPT01 among target regions
in the group CSGTGTS1, is in effect.
- If the transaction to be routed is to be started with EXEC CICS START,
it should be defined as ROUTABLE.
- Create a transaction group.
- From the main menu, click Administration views-->Workload
manager administration views-->Transaction groups. This opens the Transaction group definition view.
If the current context
is not PLXPROD1, specify PLXPROD1 in the Context field
and click Refresh.
- Click the Create button and provide the following
information:
- Transaction group name
- TRGPAY01
- Description
- Send PAY1 to CICSPA02
- Affinity relation and lifetime checking status
- ACTIVE
- Primary search criterion
- USERID
You can leave the remaining fields or accept the defaults.
Click Yes.Enter. The Transaction
group definition view is redisplayed, now showing the name of the transaction
group TRGPAY01.
- Add transaction PAY1 to transaction group TRGPAY01.
- In the Transaction group definition view, select
the entry for TRGPAY01, and click the Add transaction button.
- Type the name PAY1 in the Transaction name field,
and click Yes to confirm. The Transaction
group definition is redisplayed.
- Create a workload definition.
- From the main menu, click , Administration views-->Workload
manager administration views-->Workload definitions. This open the Workload management definition view, listing any workload
definitions already created in PLXPROD1.
- Click the Create button and provide the following
information:
- Workload management definition name
- WLDPAY01
- Description
- Separate TRGPAY01 to CICSPA02
- Transaction group name
- TRGPAY01
- Scope name of set of target systems
- CICSPA02
- Click Yes to confirm.
- Create a workload group.
(A workload group is essential if you want
a workload definition to be installed automatically when the routing region that’s
routing the transactions is started.)
- From the main menu, click , Administration views-->Workload
manager administration views-->Workload groups. This open the Workload management group view, listing any workload groups
already created in PLXPROD1.
- Click the Create action button and type in the following:
- Workload management group name
- WLGPAY01
- Description
- Workload group for WLDPAY01
- Click Yes to confirm. The Workload
management group screen is redisplayed.
- Add the workload group WLGPAY01 to the existing workload specification
WLSPAY01.
- In the Workload management group screen, select
the entry for WLGPAY01, and click Add to WLM specification
- In the Specification name field, enter the name
of the existing workload specification, WLSPAY01 and click Yes. The Workload management group screen is redisplayed.
- Add the workload definition to the workload group.
- From the main menu, click , Administration views-->Workload
manager administration views-->Workload definitions to open the Workload management definition view.
- Select the entry for WLDPAY01, and click Add to WLM group
- In the Resource group name field, type WLGPAY01
and click Yes. The Workload management
definition view is redisplayed.
- Install the workload group into the active workload.
Because the workload
WLSPAY01 is already active, you have to install the new workload group WLGPAY01
explicitly. If you did not install WLGPAY01, it would not take effect until
the routing region CICSPT01 and the target regions in CICS system group CSGTGTS1,
were next started.
- From the main menu, click , Administration views-->Workload
manager administration views-->Workload groups to open the Workload management group view.
- Select the entry for WLGPAY01 and click the Install action
button.
- In the Workload name field type WLSPAY01, and In
the Workload owner field type in the SYSID of the system
on which the workload specification WLSPAY01 was created.
Click Yes to confirm
The Owner value is the SYSID of the system on which the workload specification
WLSPAY01 was created.
Because you are reusing a workload specification that is already active
in CICSplex PLXPROD1, and have installed the workload group the workload separation
you have defined in this example takes immediate effect.
You can check that the new workload definition WLDPAY01 is active by opening
the Workload management definition view. This should
include an entry for WLDPAY01 in workload WLSPAY01. When transaction PAY1
is next started, by any user and from any terminal, CICSPlex SM will route it to target region
CICSPA02.
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