SQL Server on Ubuntu with Always On Cluster, with the much lowest minimum configurations:
DB1-Standard_B2S_ 2vCPU | 4GB RAM |
DB2- Standard_DS1_V2 1vCPU | 3.5GB RAM |
DB3- Standard_DS1_V2 1vCPU | 3.5GB RAM
For SQL Server Database Setup atleast 2GB memory is mandatory, as due to less than 2GB memory SQL Server Setup Failed, so increased memory to 4GB.
DB1:
DB2:
DB3:
HADR- AlwaysOn High Availability with Automatic Failover Complete