EFS

https://www.eksworkshop.com/docs/fundamentals/storage/efs/

Cross account

Troubleshooting EFS

kubectl logs deployment/efs-csi-controller -n kube-system -c efs-plugin
kubectl logs daemonset/efs-csi-node -n kube-system -c efs-plugin

Enable EFS to EKS
- aws eks pod with efs
- See advisery
- https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.26/#nfsvolumesource-v1-core
- efs-stage
```
fs-08ffxxxfb865
103809024 bytes (104 MB, 99 MiB) copied, 13.2008 s, 7.9 MB/s
```

https://github.com/kubernetes-sigs/aws-efs-csi-driver
- AWS Docs on EFS
- Encryption
- sigs efs
- pod.yaml
- iam-policy.yaml
- role to service account
- service-account.yaml
- Video old?

https://github.com/kubernetes-sigs/nfs-subdir-external-provisioner NFS Subdirectory External Provisioner

https://aws.amazon.com/efs/

efs-utils build Instructions

efs-driver

Video on EFS

/etc/amazon/efs/efs-utils.conf

Infrequent Access Savings
Save even more on scalable...
life-cycle management

EFS Setup on Instance

Install efs-utils

fs-06c4376af4814cd83:/ /mnt/efs efs _netdev,tls 0 0
/mnt/efs/x-stage/data /home/ubuntu/deploy/data none bind 0 0
/mnt/efs/x-stage/docker /home/ubuntu/deploy/docker none bind 0 0

findmnt --real

Trouble with ACL

# efs mounted data dir
setfacl -R -m u:www-data:rwX -m u:"$(whoami)":rwX var
setfacl -dR -m u:www-data:rwX -m u:"$(whoami)":rwX var

Links
- Performance
- Install client
- ACL with EFS
- Using IAM to control
- EKS and EFS