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Chapter 2. Host Software Component Functions 55
1st ed., 6/30/04 - 312579601
Note: TSO 3.2 may create a single extent data set even when no secondary quantity is
specified.
It is not necessary to initialize the CDS copy, that is, you do not have to execute
SLICREAT or copy another CDS copy to the new data set.
Assume that ACS.DBASECPY has been disabled and deleted (or uncataloged), and
ACS.DBASENEW has been allocated and cataloged. The following command enables
the renamed and relocated CDS:
Note: MVS uses catalog services to resolve the volume and unit definitions, if not
specified.
If a rename or relocate operation fails, CDS definitions are restored to what they were
before the command was issued. Users must modify CDSDEF control statements to keep
them consistent with the active CDS.
Relocating an Uncataloged CDS Copy
Assume that ACS.DBASECPY has been disabled and deleted (or uncataloged), and
ACS.NOTCATLG has been allocated and cataloged. The following command relocates
an uncataloged CDS copy:
Users must modify CDSDEF control statements to make them consistent with the CDS
definitions in this command. If a rename or relocate operation fails, CDS definitions are
restored to what they were before the command was issued.
Note: The NEWVOL and NEWUNIT parameters are required for VM.
Expanding a CDS - Scenario
Before expanding all CDSs, each CDS must be disabled one at a time and created with a
larger space allocation in the JCL. Then, all CDS copies must be enabled before issuing
the following command:
CDS ENABLE DSN(ACS.DBASENEW) NEWLOC
CDS ENABLE DSN(ACS.NOTCATLG) NEWVOL(HSC001),NEWUNIT(ABC)
CDS EXPAND