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Is it possible to throttle SnapMirror globally in ONTAP 9?

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Applies to

  • Clustered Mode 8.X
  • ONTAP 9.X

Answer

In clustered Data ONTAP 8.3 and earlier clustered Data ONTAP releases, a global throttle option is not available for SnapMirror transfers. Instead, use the per-relationship SnapMirror throttle:
clusterA::> snapmirror modify -destination-path destSVM:destVolume -throttle 20000

For more information, see the clustered Data ONTAP 8.3 SnapMirror modify manual page.

ONTAP 9 introduces a global SnapMirror throttling option configurable via the options command in cluster shell:
clusterA::> options -option-name replication.throttle.enable <on|off>
clusterA::> options -option-name replication.throttle.incoming.max_kbs <KBps>
clusterA::> options -option-name replication.throttle.outgoing.max_kbs <KBps>

 

The ONTAP 9 Global Throttle affects remote and local Type-DP and Type-XDP SnapMirrors.

For more information see the ONTAP 9 Data Protection Power Guide.

Note: All replication throttles in ONTAP are in KiloBytes per second.

Additional Information