Each CA Vtape subsystem that is started dynamically defines a work data set for each Virtual Device that is defined in the OSDRIVES member. These data sets have names in the following format:
prefix.VVE.Ddevnum.sysname
Identifies the DSN prefix that is defined for CA Vtape use.
Identifies the device number.
Identifies the system name.
After defined by the first startup, subsequent starts reuse these data sets unless the data sets are deleted. Each device work data set is a VSAM linear data set 180 tracks in size.
If you start CA Vtape on two systems and also start two instances of CA Vtape on one of those systems, then there are three active CA Vtape subsystems. If each CA Vtape subsystem has 16 Virtual Devices, then 48 Virtual Device work data sets are defined.
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