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A requirement for meeting compliance standard is “to store separately from the original a duplicate copy of the record stored on any medium acceptable”. Specifically, this rule from the SEC 17a-4(f) compliance standard requires that a separate copy of local archive data must be stored in a secondary PPDD system with the same retention attributes as the original. Therefore, the DD RL-C must allow for replication of compliant archive data and ensure that both the source and destination systems meet compliance requirements.
MTree Replication (MRepl) supports RL-C. It is enabled by default and can be used to replicate the retention attributes of the locked archive files and associated entries to the destination Data Domain system. If RL (Governance or Compliance is enabled on a replication context, the data at the destination site always preserves the RL settings configured at the source site.
Collection Replication (CRepl) also supports RL-C.
The DD RL-C mode ensures that initialization, recovery, and sync operations of the replicated data will only proceed if the DD RL-C license is enabled on both the source and the destination systems. If RL-C is enabled on the source, it must have corresponding license on destination site, or the replication will fail. Finally, RL-C ensures that any system commands or operations that either disable or break replication are under the supervision of the Security Officer and can only be successfully executed after they and the System Administrator enter their MFA credentials.