Service name
Access Method Services


For z/OS Releases
V1R2 and above


Description
The Access Method Services (AMS) service is a pure supporting service. It cannot be customized, but it offers update requests that can be used by other services to make definitions in the AMS catalogs. It also offers selective data that it retrieves from the master catalog and the connected user catalogs during the 'Refresh' task which can be accessed in read-only mode by other services.


Policies Supplied
None


Refresh Actions
 
System resources accessed during Refresh Authorization Required
Selected entries are retrieved from the master catalog and the connected user catalogs:
  • the names of the master catalog and all user catalogs connected to the master catalog
  • catalog attributes
READ authority for the target system master catalog and for all user catalogs that are connected to the master catalog.
Note:
If the driving and target system profile are different and use different master catalogs, additionally UPDATE authorization for the driving system master catalog is required. This is needed to be able to import connect the target master catalog.


Update Actions Performed by this Service
None


Update Requests Offered by this Service
 
Update action System resources Updated Authorization Required
Define a user catalog. The requested user catalog and the master catalog on the target system. ALTER authority for the user catalog and UPDATE for the master catalog.
Define a cluster. The requested cluster and the catalog where it is defined on the target system. ALTER authority for the cluster and UPDATE for the catalog.
Catalog a non-VSAM data set. The catalog where the requested data set is cataloged on the target system. UPDATE authority for the catalog.
Define an ALIAS. The catalog where the ALIAS is defined on the target system. UPDATE authority for the catalog.
Copy the content of a source data set into target data set (REPRO). The target data set. READ authority for the source data set and UPDATE for the target data set.
Alter the properties of a user catalog. The user catalog on the target system. UPDATE authority for the user catalog.
Note:
If the driving and target system profile are different and use different master catalogs, then ALTER authorization for the target system master catalog and UPDATE authorization for the driving system master catalog is required. This is needed to be able to import connect the target system master catalog on the driving system.