Skip to main content
NetApp Knowledge Base

E-series Asynchronous Mirror relationship initial sync not completing

Last Updated:

Applies to

  • E-series E5760
  • SANtricity OS 11.70.3
  • FC 32gbps single channel, but running in 16gbps data rate
  • FCOE (Fibre channel over ethernet) converter between primary and secondary site
  • 2000+ km distance between site
  • Asynchronous Mirror relationship


  • A mirrored paired takes forever to complete initial sync to secondary site.
  • Connectivity test is normal, however, the bandwidth is ~36mbps
  • ~4TB + Data remaining to replicate via initial sync
  • Host writing to the primary volume between 30 - 100 mib/s

Sign in to view the entire content of this KB article.

New to NetApp?

Learn more about our award-winning Support

NetApp provides no representations or warranties regarding the accuracy or reliability or serviceability of any information or recommendations provided in this publication or with respect to any results that may be obtained by the use of the information or observance of any recommendations provided herein. The information in this document is distributed AS IS and the use of this information or the implementation of any recommendations or techniques herein is a customer's responsibility and depends on the customer's ability to evaluate and integrate them into the customer's operational environment. This document and the information contained herein may be used solely in connection with the NetApp products discussed in this document.