- A VxRail three-node cluster with multiple paths to storage and network
- Database layout and HA
The objective of the test is to provide an overview of PTC application deployment on the Dell VxRail system, test I/O paths, and to address redundancy for hardware and path failures.
- Review the IO paths and hardware layout for the overall deployment.
- Identify the redundancies and fault tolerance across the deployment.
- PTC application deployment contains PTC ThingWorx, Kepware Server, Apache webservice, and PostgreSQL database on VxRail VMs. If a VxRail infrastructure can be deployed in an OT-controlled data center, Kepware can also be run as VMs to get the same VxRail benefits as other components.
- External components, such as Kepware Edge running on industrial gateways, sensors, and other devices, are wirelessly connected to those gateways.
- PTC applications and databases running on a VxRail three-node cluster use redundancy of compute, network, and storage.
- VMs can run on any available cluster nodes and can migrate between them. Migrations are either on demand or policy-driven.
- vSAN offers resiliency for any storage needs of the application and database deployments, so VMs must be configured to use vSAN-based datastores for persistent and application data.
- VMs use virtual network adapters and virtual network ports that map to multiple physical ports and adapters. If all physical NICs go offline, rendering a physical VxRail node unavailable, VMs are moved to another available node in the three-node cluster with no impact to the applications and databases.