Amazon Elastic File System (Amazon EFS) is a managed cloud storage service, accessed using the NFS protocol version 4.1.
Questions tagged [amazon-efs]
77 questions
33
votes
2 answers
Elastic file system (EFS) mount outside of AWS
I have a server that is outside of AWS. I'd like to be able to mount an EFS volume to it, but I am not sure if that is possible.
Perhaps if you create a VPC, and you create a tunnel over VPN?
Does anybody know if this is possible?

Adam
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1 answer
I want to put WordPress — all of it — on EFS. Should I?
I have a WordPress site that, as of now, I am running completely on an Amazon Lightsail instance. It gets properly backed up; availability is okay; security is good; it's a simple setup to maintain. It's fine.
I want to improve availability and load…

Carter Pape
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5
votes
1 answer
How to mount Amazon EFS as data volume in ECS task?
Userdata on launch configuration:
#!/bin/bash
echo ECS_CLUSTER=prodcluster >> /etc/ecs/ecs.config
sudo yum install -y nfs-utils
sudo mkdir /home/ec2-user/web_file_uploads
sudo chmod 777 /home/ec2-user/web_file_uploads
sudo mount -t nfs4 -o…

sithumc
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4
votes
1 answer
Amazon EFS hangs when attempting to list files inside
When doing an ls inside an Amazon EFS mount point, it just hangs.
The EFS troubleshooting section on AWS EFS troubleshooting
Mentions the following:
Mount Does Not Respond
An Amazon EFS mount appears unresponsive. For example, commands like ls
…

John Doe
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4
votes
2 answers
Encrypt at rest existing AWS EFS instances - is it possible?
Based on my understanding of AWS documentation it appears that the only way to encrypt at rest existing EFS instances with some data is to create new EFS instances with encryption enabled and copy the files from unencrypted EFS to encrypted EFS and…

Darko Miletic
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3
votes
1 answer
How to share a EFS/s3 with code in a auto scaling group?
the main problem is:
Infrastructure:
Autoscaling (min 1 - max 3)
RDS
ELB
elasticache (redis)
elasticsearch
I want to share a volume (EFS / S3) with the code of my application;
The size of it is about 1.3 Gb.
With EFS:
The first attempt I tried to…

sysalam0
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3
votes
3 answers
Using S3 as a alternative to EFS for backup purpose
For centralised backup purpose of specific data from my instances, i was using EBS Volume mounted to that instances. Now we are planning to migrate to another region, but EFS service is not available in that specific region. Is there any way i can…

Sreeraju V
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3
votes
1 answer
Inotify does not work on EFS (remote filesystem)
I tried to use inotify notifications, to check for filesystem events, but it does not work. no file-system vent notifier worked.
Is there any inotify utility available for remote file system like EFS, NFS, GFS etc?

Farhan
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3
votes
1 answer
PHP Application with Web Root on Amazon EFS using up too much EFS bandwidth
The web root /var/www/html is mounted on EFS
Mounting with usual AWS advised command and General Purpose EFS
sudo mount -t nfs4 -o nfsvers=4.1,rsize=1048576,wsize=1048576,hard,timeo=600,retrans=2 fs-name.efs.eu-west-1.amazonaws.com:/ html
The system…

Pasta
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3
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0 answers
Why does setting NFS sync option for AWS EFS cause nginx/Chrome to chunk or break a file upload?
Question: Why does an NFS mount using the sync option cause nginx and/or Chrome (and only Chrome; not Safari, Firefox, Edge or curl) to chunk or restart the file upload?
Some background:
I have nginx in front of a server cluster. We added file…

jaygooby
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2
votes
0 answers
Failing fast with an EFS NFS mount
We run a Java application distributed across a number of servers, part of which involves the writing and reading of shared files. This side of the application is currently held together by a bunch of rsync cron jobs, so the option of replacing it…

DGoodman
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2
votes
1 answer
AWS Instances breeding and dying for no apparent reason
This has happened a couple of times since we moved our cluster project from Google to AWS.
We have an EFS volume that's mounted on a load-balanced cluster in a Beanstalk project.
I will be in the middle of setting something up, either uploading a…

hbquikcomjamesl
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2
votes
3 answers
AWS - EFS Replication
I'm looking to replicate an existing EFS to a new EFS and mount it to a cloned environment for testing purposes but can't seem to find any good information on it.
To clarify - I'll be replicating an EC2 instance as well and want to create a…

elPastor
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2
votes
1 answer
Set default file permission mode without ACLs
I have an AWS EFS share, which does not support filesystem ACLs. How can I set a folder inside the EFS share to default to mode 664?

spiffytech
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2 answers
How to mount with uid and gid using NFS?
I would like to mount an AWS EFS location with the efs driver which internaly uses nfs. Now the question is: How do I automatically mount a location with specific uid and gid? With sshfs e.g. I would just define uid, gid as mount options, but it's…

Aley
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