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Is it possible to bind FlexCache or SnapMirror traffic to a specific intercluster LIF within the same cluster peer?

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Applies to

  • ONTAP 9
  • FlexCache
  • SnapMirror

Answer

No. There is impossible to bind FlexCache or SnapMirror traffic to a specific intercluster LIF within the same cluster peer.

Additional Information

  • See the following best practices for more details:
  • SnapMirror configuration and best practices guide for ONTAP 9 
    • Intercluster networks are used by SnapMirror and other data protection solutions within the ONTAP environment.
    • All intercluster LIFs for a given SnapMirror relationship must be in the same IPspace. Different IPspaces can be used to peer with different clusters by using different intercluster LIFs.

Note: It is not possible to select a specific LIF pair to use for a replication event. All session management is performed automatically by the ONTAP session manager.

  • FlexCache in ONTAP :
    • The Remote Access Layer (RAL) is the function FlexCache software uses to enable loading and manipulation of content from any volume inside or outside of the cluster to the origin. 
    • When the RAL function is invoked, any operations that are ready to be forwarded to the origin are then redirected over the cluster interconnect LIFs between the nodes. 

 

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