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What is a VSAM Volume Data Set (VVDS)?
VVDS stands for VSAM Volume Data Set and it’s a VSAM file that contains the information of all VSAM and SMS-managed non-VSAM data sets that reside on the volume where the VVDS file is allocated. A VVDS is recognised by the restricted data set name SYS1.VVDS.Vvolser, where volser is the volume […]