Ask the Expert

Recommendations for replicating data to a second data center

Chris, if someone currently has Exchange 6 running on an HDS 9200 and wants to build a second data center (12km away), what would you recommend to replicate this data?

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You can use:

  • HDS 9200 hardware-based remote copy over an extended FC network over DWDM
  • iSCSI connections to the remote location via Nishan extenders
  • FalconStor appliance-based replication or pooling
  • Veritas software-based sync or async replication and block copy
  • Do either adaptive hardware-based copy by splitting off images and batch copying the data
  • Use the old fashion method of backup to tape locally throwing them in a truck and driving them to the second datacenter. (Called the CTAM method or Chevy Truck Access Method).


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This was first published in December 2002

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