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Multiple Pods Read Write Many

This example shows how to create a dynamically provisioned FSx for Lustre PV and access it from multiple pods with ReadWriteMany access mode. If you are using static provisioning, following steps to setup static provisioned PV with access mode set to ReadWriteMany and the rest of steps of consuming the volume from pods are similar.

Edit StorageClass

kind: StorageClass
apiVersion: storage.k8s.io/v1
metadata:
  name: fsx-sc
provisioner: fsx.csi.aws.com
parameters:
  subnetId: subnet-056da83524edbe641
  securityGroupIds: sg-086f61ea73388fb6b
  deploymentType: SCRATCH_2
  • subnetId - the subnet ID that the FSx for Lustre filesystem should be created inside.
  • securityGroupIds - a comma-separated list of security group IDs that should be attached to the filesystem
  • deploymentType (Optional) - FSx for Lustre supports three deployment types, SCRATCH_1, SCRATCH_2 and PERSISTENT_1. Default: SCRATCH_1.
  • kmsKeyId (Optional) - for deployment type PERSISTENT_1, customer can specify a KMS key to use.
  • perUnitStorageThroughput (Optional) - for deployment type PERSISTENT_1, customer can specify the storage throughput. Default: "200". Note that customer has to specify as a string here like "200" or "100" etc.

Deploy the Application

Create PV, persistence volume claim (PVC), storageclass and the pods that consume the PV:

>> kubectl apply -f examples/kubernetes/multiple_pods/specs/storageclass.yaml
>> kubectl apply -f examples/kubernetes/multiple_pods/specs/claim.yaml
>> kubectl apply -f examples/kubernetes/multiple_pods/specs/pod1.yaml
>> kubectl apply -f examples/kubernetes/multiple_pods/specs/pod2.yaml

Both pod1 and pod2 are writing to the same FSx for Lustre filesystem at the same time.

Check the Application uses FSx for Lustre filesystem

After the objects are created, verify that pod is running:

>> kubectl get pods

Also verify that data is written onto FSx for Luster filesystem:

>> kubectl exec -ti app1 -- tail -f /data/out1.txt
>> kubectl exec -ti app2 -- tail -f /data/out2.txt