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This chapter describes the hardware infrastructure requirements for an SAP Data Intelligence 3.1 deployment on Dell EMC Ready Stack for Red Hat OpenShift Container Platform 4.6.
The following table provides basic cluster infrastructure guidance. For information about the minimum hardware requirements for SAP Data Intelligence deployments in production and nonproduction environments, see Sizing for SAP Data Intelligence 3.1. A container cluster can be deployed quickly and reliably when each node is within the validated design guidelines.
Description |
Count |
Notes |
|
CSAH node |
Dell EMC PowerEdge R640 server |
1 |
Creates a bootstrap VM. The CSAH node is also used for:
|
Controller nodes |
Dell EMC PowerEdge R640 server |
3 |
Deployed using the bootstrap node. |
Storage nodes |
Dell EMC PowerEdge R640 server |
3 |
Required for object storage. |
Compute nodes |
Dell EMC PowerEdge R640 or R740xd server |
2* minimum, 30 maximum per rack |
No compute nodes are required for a three-node cluster. A standard deployment requires a minimum of 2 compute nodes (and 3 controller nodes). To expand a three-node cluster, it is necessary to add two compute nodes simultaneously. After the cluster is operational, you can add more compute nodes through the Cluster Management Service. |
Data switches |
Either:
|
2 per rack |
Autoconfigured at installation time. Note: High availability (HA) network configuration requires 2 data path switches per rack. Multirack clusters require network topology planning. Leaf-spine network switch configuration may be necessary.
|
iDRAC network |
Dell EMC PowerSwitch S3048-ON |
1 per rack |
Used for out-of-band (OOB) management. |
Rack |
Selected according to site standards |
1–3 racks |
For multirack configurations, consult your Dell Technologies or Red Hat representative regarding custom engineering design. |
*A three-node cluster does not require any compute nodes. To expand a three-node cluster with additional compute machines, you must first expand the cluster to a five-node cluster using two additional compute nodes.
The following figure shows the networking design and architecture: