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What are the minimum supported SnapMirror intervals?

  1. Last updated
    Feb 4, 2025
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Applies to

  • ONTAP 9
  • Asynchronous SnapMirror only

Answer

The minimum supported asynchronous SnapMirror intervals (i.e. minimum supported RPO) depend on the type of relationship and volume in-use:

SnapMirror Configuration Minimum supported RPO
FlexVol volumes 5 minutes
FlexGroup volumes 30 minutes
SVM DR for FlexVol volumes 15 minutes
SVM DR for FlexGroup volumes 30 minutes
Consistency Groups (ONTAP 9.13.1 and later) 30 minutes
S3 SnapMirror 0 seconds*

Note: Scheduled updates may be skipped when the configured schedule does not meet the given minimum RPO requirement

*S3 SnapMirror
  • Zero RPO is not guaranteed with S3 SnapMirror
  • Objects changes are still replicated asynchronously and will take some non-zero time to be replicated and written to the destination object-store/bucket even with -rpo set to 0 in the SnapMirror policy

Additional Information

 

 

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