Is the dataset in the SECFILE DD statement in the CA Top Secret startup procedure where all the user ids and all permits are stored ?
Yes, the dataset in the SECFILE DD statement is the one where the user ids and permits are.
The dataset in the VSAMFILE DD statement in the same proc holds digital certificates, keyrings, Kerberos records, SDT records, data classification records, SIGVER records, and IDMAP records.