DES-1111: Specialist - Technology Architect, PowerMax and VMAX All Flash Solutions Version 1.0Demo

By Dell · Question Mode

QuestionQ22

Replication

During a disaster-planning meeting, a client gives an architect these facts:

  • A Unix host is replicating storage from a Production PowerMax to a VMAX 250FX.
  • RDF pairs have been split, with Production and DR hosts accessing their respective storage.
  • Invalid tracks have begun accumulating on the PowerMax and VMAX 250FX.

The client now wants to return production to the PowerMax, discard the VMAX 250FX updates, and retain the updates on the PowerMax. What action should be taken?

  • A Failback
  • B Establish
  • C Resume
  • D Failover
Explanation

An SRDF incremental establish operation resynchronizes the pair from the R1 source to the R2 target. When invalid tracks exist on both sides, it copies the modified R1 tracks to R2 and overwrites the corresponding R2 changes. This retains PowerMax updates while discarding VMAX 250FX updates.

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