SSD_TOTAL_GB can not be modified?

Google Cloud Compute Infrastructure
1

I am reviewed [acm-terraform-blog-part1](https://github.com/terraform-google-modules/terraform-google-kubernetes-engine/examples/acm-terraform-blog-part1/) source codes.

I set disk_size_gb = 62 in these files:

acm-terraform-blog-part1/terraform/.terraform/modules/gke/modules/gke-node-pool/variables.tf
acm-terraform-blog-part1/terraform/.terraform/modules/gke/modules/beta-private-cluster/cluster.tf
acm-terraform-blog-part1/terraform/.terraform/modules/gke/modules/beta-public-cluster-update-variant/cluster.tf
acm-terraform-blog-part1/terraform/.terraform/modules/gke/cluster.tf
acm-terraform-blog-part1/terraform/.terraform/modules/gke/modules/gke-node-pool/metadata.yaml
acm-terraform-blog-part1/terraform/.terraform/modules/gke/modules/private-cluster/cluster.tf
acm-terraform-blog-part1/terraform/.terraform/modules/gke/modules/private-cluster-update-variant/cluster.tf
acm-terraform-blog-part1/terraform/.terraform/modules/gke/modules/beta-public-cluster/cluster.tf

I set these codes in the acm-terraform-blog-part1/terraform/variables.tf:

variable "cluster_autoscaling" {
  type = object({
    enabled                     = bool
    autoscaling_profile         = string
    min_cpu_cores               = optional(number)
    max_cpu_cores               = optional(number)
    min_memory_gb               = optional(number)
    max_memory_gb               = optional(number)
    gpu_resources               = list(object({ resource_type = string, minimum = number, maximum = number }))
    auto_repair                 = bool
    auto_upgrade                = bool
    disk_size                   = optional(number)
    disk_type                   = optional(string)
    image_type                  = optional(string)
    strategy                    = optional(string)
    max_surge                   = optional(number)
    max_unavailable             = optional(number)
    node_pool_soak_duration     = optional(string)
    batch_soak_duration         = optional(string)
    batch_percentage            = optional(number)
    batch_node_count            = optional(number)
    enable_secure_boot          = optional(bool, false)
    enable_integrity_monitoring = optional(bool, true)
  })
  default = {
    enabled                     = false
    autoscaling_profile         = "BALANCED"
    max_cpu_cores               = 0
    min_cpu_cores               = 0
    max_memory_gb               = 0
    min_memory_gb               = 0
    gpu_resources               = []
    auto_repair                 = true
    auto_upgrade                = true
    disk_size                   = 62
    disk_type                   = "pd-standard"
    image_type                  = "COS_CONTAINERD"
    enable_secure_boot          = false
    enable_integrity_monitoring = true
  }
  description = "Cluster autoscaling configuration. See [more details](https://cloud.google.com/kubernetes-engine/docs/reference/rest/v1beta1/projects.locations.clusters#clusterautoscaling)"
}

after terraform init && terraform plan -var project=$PROJECT_ID | tee plan-out-2 && terraform apply -var project=$PROJECT_ID, it have error:

image
image2538×903 170 KB

4 (initial_node_count) x 62 = 248 GB do not work, as you can see in the picture.

I also can not to increase my SSD quota by myself:

image
image1920×869 147 KB

So decrease and increase methods both do not work!

I also have contacted with sales team, support team in the google cloud, but nobody reply me.

so crazy

how to solve?