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SMBC Can autoresync be slower than initialize?

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Applies to

  • ONTAP 9
  • SnapMirror Business Continuity (SMBC)

Answer

Yes, because both processes use different algorythms and perform different operation to achieve the same results: setting SMBC in sync.

  • The main difference between autoresync and initialization is that autoresync needs to process data where initialization mainly transfer data.
  • During autoresync a lot of internal information [Data Warehouse] needs update and a continue conversation between the two clusters needs to happen before the snapmirror is in sync.
  • There are instances where autoresync can be faster than initialization: where there is a little amount of data to compare. 

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