We have SCCM version 1806 running on SQL Server 2016 in standalone mode. To take advantage of SCCM's Active/Standby feature, which would allow us to fail over primary site to another datacenter with 30 mins or less of downtown as far as clients are concerned, we want to move SCCM to a multi-subnet SQL cluster. The high level SQL steps we believe we need to take would be:
- Build new SQL cluster comprised of 4 SQL instances, (2 for each datacenter), and give cluster new name (lets call it CLUSTER01)
- Backup SCCM database, WSUS database, System database on the SQL standalone server (let's call it SQL01P)
- Shut down application (SCCM), perhaps place (SQL01P in single user mode, though probably not needed since no application will be attempting to write to the databases at this time)
- Shut down original SQL standalone server SQL01P
- Rename SQL...