The VVDS keeps the name of each BCS, that has datasets cataloged on the volume,
in its VSAM Volume Control Record - VVCR. So the DEFINE RECATALOG, will use
the BCS information in the VVDS VVCR, plus the information in the associated
VVR, in order to recatalog the dataset to the correct User Catalog.
Here is an extract from a VVCR record. As you can see the BCS is kept here
*.8..VVCR................SYS8C.UC*
*AT9T.TSO00 *
* ............SYS8C.UCAT9T.SYS*
*01 ....*
*........SYS8C.UCAT9T.SYS03 *
* ............*
* *
This is a VVR naming the same User Catalog from the same VVDS
*....Z......NBKEODV.VSAM.LAB.KSDS*
*.DATA..NBKEODV.VSAM.LAB.KSDS..SY*
*S8C.UCAT9T.TSO00.NBKEODV.VSAM.LA*
*B.KSDS....{-....................*
HTH
Colin
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