On 2/7/2014 11:58 AM, retired mainframer wrote:
Since the VVDS is a catalog extension supporting both VSAM and SMS, wouldn't
the size of the VVDS depend on mix of VSAM and non-VSAM datasets and
possibly even the type of VSAM datasets on the volume?

There is a formula to calculate the size of a VVDS base on the number of KSDS, ESDS/RRDS, LINEAR, and NONVSAM datasets.

http://pic.dhe.ibm.com/infocenter/zos/v2r1/index.jsp?topic=%2Fcom.ibm.zos.v2r1.idac100%2Fvvdsize.htm

watch for wrap.

--
Richard

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