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Are SQL Server FCI with S2D supported between Availability Zones?

    Question

  • Can you build an Storage Spaces Direct (S2D) based cluster where each node is in a different Availability Zones? If so, can you post a link to the documentation?

    David A. Bermingham, MVP, Senior Technical Evangelist, SIOS Technology Corp

    Monday, September 17, 2018 7:12 PM

Answers

  • Availability Zones are different physical locations.  Availability Sets are different hardware within the same location.  We are not supporting Storage Spaces Direct nodes being in separate Availability Zones at this time.  However, we do support them in different Availability Sets.

    Thanks, John Marlin Microsoft Program Manager

    Tuesday, September 18, 2018 7:39 PM

All replies

  • Availability Zones are different physical locations.  Availability Sets are different hardware within the same location.  We are not supporting Storage Spaces Direct nodes being in separate Availability Zones at this time.  However, we do support them in different Availability Sets.

    Thanks, John Marlin Microsoft Program Manager

    Tuesday, September 18, 2018 7:39 PM
  • Can you please elaborate on the following? "We are not supporting Storage Spaces Direct nodes being in separate Availability Zones at this time"?

    1. Are there are checks on the OS level to prevent the setup of the nodes in different AZs or it is simply not tested/validated and so is not recommended to try in a production setup? (for example with SQL Server Failover Cluster) 

    2. Are there plans to support this scenario in Windows 2019 during its 10-year support lifecycle or is it more likely to be considered in the next version of Windows/S2D?

    Wednesday, January 16, 2019 1:11 AM