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A4 High Blueprints

A4-High Slurm Cluster Deployment

For further information on deploying an A4 High cluster with Slurm, please see:

Create an AI-optimized Slurm cluster

Cloud Storage FUSE

This blueprint includes four Cloud Storage FUSE mounts to provide a simple and scalable way to manage data.

  1. /gcs is a general purpose mount that can be used for shared tools and data.
  2. /gcs-checkpoints is an optimized mount for writing and reading checkpoints. It uses the local SSD for caching and enables parallel downloads to improve performance.
  3. /gcs-training-data is an optimized mount for reading training data. It can be further tuned if the training data fits fully within the local ssd storage.
  4. /gcs-model-serving is an optimized mount for serving models, which downloads model weights in parallel to local ssd.

A4-High VMs

Build the Cluster Toolkit gcluster binary

Follow instructions here, on how to set up your cluster toolkit environment, including enabling necessary APIs and IAM permissions.

(Optional, but recommended) Create a GCS Bucket for storing terraform state

#!/bin/bash
TF_STATE_BUCKET_NAME=<your-bucket>
PROJECT_ID=<your-gcp-project>
REGION=<your-preferred-region>

gcloud storage buckets create gs://${TF_STATE_BUCKET_NAME} \
    --project=${PROJECT_ID} \
    --default-storage-class=STANDARD --location=${REGION} \
    --uniform-bucket-level-access
gcloud storage buckets update gs://${TF_STATE_BUCKET_NAME} --versioning

Obtain Filestore Zonal Capacity

We suggest using a filestore zonal instance for the best NFS performance, which may require a quota increase request. See here for more information. The Slurm and VM blueprints below default to 10TiB (10240 GiB) instances.

Create/modify the deployment file with your preferred configuration

For example, set the such as size, reservation to be used, etc, as well as the name of the bucket that you just created. Below are example contents for a4high-vm-deployment.yaml.

---
terraform_backend_defaults:
  type: gcs
  configuration:
    bucket: TF_STATE_BUCKET_NAME

vars:
  project_id: <PROJECT_ID>
  deployment_name: a4high-vm
  region: <REGION>
  zone: <ZONE>
  a4h_reservation_name: <RESERVATION_NAME>
  number_of_vms: <RESERVATION_SIZE>

Additional ways to provision

Cluster toolkit also supports DWS Flex-Start, Spot VMs, as well as reservations as ways to provision instances.

For more information on DWS Flex-Start in Slurm For more information on Spot VMs

We provide ways to enable the alternative provisioning models in the a4high-slurm-deployment.yaml file.

To make use of these other models, replace a4h_reservation_name in the deployment file with the variable of choice below.

a4h_enable_spot_vm: true for spot or a4h_dws_flex_enabled: true for DWS Flex-Start.

Deploy the VMs

#!/bin/bash
./gcluster deploy -d a4high-vm-deployment.yaml a4high-vm.yaml --auto-approve