Regional & Project Requirements
Use a validated region or one that supports n4-highmem-32 or n4-standard-32 machine types, Hyperdisk (hd-balanced), and three zones for Multi‑Zone deployment. Validated regions are shown in the Product Compatibility Guide.
Prepare Cloud Storage buckets for Terraform state (no dots in the name; hierarchical namespace disabled) and for installation logs (gsUri).
Controller Node Tools
| Tool / Setting | Required Version / Notes |
|---|---|
| gcloud CLI | 498.0.0 or later |
| Terraform | 1.5.7 or later |
| terraform-provider-google | 6.12.0 or later |
| terraform-provider-null | 3.2.3 |
| terraform-provider-random | 3.7.1 |
| Controller specs | Greater than or equal to 1 CPU, 4 GiB RAM, 10 GiB free |
Network Ports (High Level)
| Purpose | Protocol / Port |
|---|---|
| Control/API | HTTPS 443; DNS 53 (client); NTP 123 (client) |
| Compute data (iSCSI) | TCP 3260 |
| Compute data (NVMe/TCP) | TCP 4420 (I/O), 8009 (Discovery) |
| Internode data | TCP 15800–15813 |