Amazon EFS uses NFS V4. $0. AWS EFS. On a recent project, I needed to have a shared network file system that was available to all. Logging and Monitoring in Amazon S3. Data downloads. 1. Choosing the right Amazon cloud storage solution can significantly impact your application’s performance, scalability, and cost-efficiency. 30 for EFS. 3/Month; Further storage options, which may be used for temporary storing data while/before processing it:. I guess with S3 you have to use the SDK where as with EFS being a file system you can use standard I/O methods from your programming language of choice to create files. EFS provides a file system interface, file system access semantics (such as strong consistency and file locking), and concurrently. 10240 * 2 * 0. Using an EFS file system, you can configure instances to mount the file system. Objects in Amazon S3 are associated with a unique identifier (key), so access to them can be obtained through web requests from anywhere. Pros and Cons. 0065 per GB per month, while SSD storage cost reduces to $0. S3 also comes with services that allow for the querying of structured data within S3. EBS and EFS both outperform Amazon S3 in terms of IOPS and latency. 04 per gigabyte (GB) transferred. Amazon S3 is perhaps the most popular of all the AWS storage types. S3 vs EBS vs EFS Comparision. Amazon Web Services (AWS) cloud storage pricing varies depending on which of the three storage services you use—object storage (S3), block storage (EBS), or file storage (EFS). General purpose is suitable for most Lambda. 1 for SSD storage. Amazon's pricing assumes a savings of 50% and reduces the cost of HDD storage in the U. EFS offers high performance up to 10 GB/sec and 500,000 IOPS. EFS: File storage. Elastic Block Storage (EBS). Keep in mind, however, that when retrieving data using this tier, you incur an additional cost ($0. These include other AWS services such as Amazon S3 and Amazon EFS. AWS EBS: Which one should you use? Interface: S3 provides you with a web interface while EBS provides a file system interface and EFS provides a web and file system interface. S3 offers the option to store a virtually unlimited number of files in a bucket and you won’t ever run out of disk space. Amazon EFS (Elastic File System) is ranked 3rd in Public Cloud Storage Services with 5 reviews while Microsoft Azure File Storage is ranked 1st in Public Cloud Storage Services with 31 reviews. Cost to use DataSync for each incremental copy of 10 TB of 16 MB files into S3 in the US East (Ohio) Region, assuming 500 LIST requests and one HEAD request per object in S3: (10 TB copied into S3 using DataSync * 1024 GB * $0. EBS volumes can be attached to both Windows and non-Windows EC2 machines, whereas EFS volumes are designed for Linux-based hosts only. In this blog, we will discuss EFS, EBS, and S3, and on the. You can create an EFS file system and mount it to your instance when you launch your instance using the Amazon EFS Quick Create feature of the Amazon EC2 launch instance wizard. For example, when using the U. In the AWS platform, cloud storage is primarily broken down into three services: Simple Storage Service (S3). AWS EFS is also called AWS Elastic File System. 99% as Amazon S3 Standard Storage, it has a much lower durability of 99. S3 Glacier Deep. Amazon EFS operates on a simple pricing model, charging $0. Due to this, S3 can be used for building data lakes. 1/Month: $0. Part 2: [this blog post] A deep dive on how EFS security works in container deployments based on ECS and Fargate with some high-level considerations around regional ECS and EFS deployments best practices. Cost of backup evaluations = 3000 backup evaluations x ($1. Options: A. Choosing between AWS S3 and EFS can be confusing. There is no charge for Data Transfer between Amazon EC2 and Amazon S3 in the same region. SageMaker training allows your training script to access datasets stored on Amazon S3, FSx for Lustre, or Amazon EFS, as if it were available on a local file system (via a POSIX-compliant file system interface). Storage Limit: Scalability: Reliability: SLA: Concurrency: S3: Unlimited storage, file size up to 5TB: Manual:. Amazon EBS (Elastic Block Store) offers high-performance block storage for applications, Amazon EFS (Elastic File System) provides managed file storage for. Write access performance between S3 and EFS follow a similar pattern to random file access at approx. AWS EFS EFS is fairly easy to learn to use because it mirrors a traditional file hierarchy structure. The following example creates the directory on the EFS file system, and changes its group to the POSIX group ID for the Transfer Family users, which is 1101 in this example. Throughput capacity: 8 MBps-months x $2. 6, while Amazon S3 is rated 8. Storage cost is based on the average storage used through the month. SFTP data upload and download: At $0. is EBS or EFS a reliable way to store huge media files? Aug 27, 2018Backup and DR. ”. Reaching that 5GB/sec with EFS costs $30,000/month for either 100TB of data or 5GB/sec in provisioned bandwidth. is an object store with a simple key, value store design, and good at storing vast numbers of backups or user files. 1 provides better performance for parallel small-file read operations (greater than 10,000 files per second) compared to NFSv4. In this article, we will discuss these storage solutions in detail along with their differences. 023 per GB Per month through first 50 TB, then the price goes down. Correct Answer: B. Amazon EFS file systems are distributed across an unconstrained number of storage servers, enabling file systems to grow elastically and allowing massively parallel access from EC2 instances. configured S3 buckets are accessible using the NFS and SMB protocol;. These include other AWS services such as Amazon S3 and Amazon EFS. AWS DataSync is an online data transfer service that can copy data between Network File System (NFS), Server Message Block (SMB) file servers, self-managed object storage, and also between AWS services. Amazon FSx is billed with a combination of provisioned storage and provisioned throughput. 00 per provisioned MB/s-month. 0025 per 1,000 objects stored. The three key file storage services AWS provides are similar, but different. To use the EFS One Zone and One Zone–IA storage classes, you must create a file system that stores data redundantly within a single Availability Zone in an AWS Region. It provides a file system interface, file system access semantics (such as strong consistency and file locking), and concurrently-accessible storage for up to thousands of Amazon EC2 instances. 08/GB-month vs $0. EFS is Elastic File Storage its a shared storage provided by AWS we can attach 1 EFS with multiple Ec2 instances. At present the price for AWS Transfer Family for SFTP, FTPS, and FTP is the same for all protocols: Time protocol is enabled on your endpoint. The number of GET requests to S3 will increase so your S3 cost will increase as well. Offers cost-saving storage classes ideal for infrequently access data or for data archival; provides unlimited storage There are two types of ML inferencing architectures, single model and multi-model. Where they differ is that instead of storing data in a minimum of three AZs, S3 One Zone-IA stores data in a single AZ and costs 20% less. The number of GET requests to S3 will increase so your S3 cost will increase as well. These are the basic definitions. Active Aug 14 '22 at 05:01. Once we add up all the costs, it starts to creep into the range of thousands of dollars per TB per month. Both solutions are designed to deliver high performance, however, when choosing to use network file systems consider the access patterns. 20 per month. Amazon Glacier and Amazon S3 are primarily classified as "Data Backup" and "Cloud Storage" tools respectively. On the other hand, the top reviewer of Amazon S3 Glacier writes "A cost-effective solution to reduce storage. For example Glacier, S3, EFS allocates the storage for you based on your usage, while at. 1)For Video streaming am planning to use Nodejs and S3 but the point is, if a video is 1. It is a scalable, cloud-based file system supporting Linux-based applications and workloads that can work in tandem with AWS cloud services and on-premise resources. Azure Blob, you need to consider the type of business that you are running. The Takeaways. It barely beats a single io2 Block Express EBS volume (5GB/sec EFS vs. 04c/1000 requests. It is mainly used for data that should be quickly accessible and requires long term durability. So in my scenario, I will copy 10TB of data to S3 and assume that I will copy 10TB out as well, the total cost not including S3 would be. Total Cost of Ownership (1 year) $3,686. Amazon EFS features. D. Amazon S3 is a cloud storage service that can be accessed from anywhere. To do this when creating a file system using the console, choose Availability and Durability, and then choose One Zone. The only thing you pay extra on S3 is 0. Cost-wise, S3 charges based on the amount of data stored, the number of requests made, and the data transfer out of AWS while EFS charges based on the. Given the hidden compute and support costs, security integration, and performance issues, S3 as a data platform for RDBMS-sourced, frequently-refreshed data is a far cry from its $23/TB/month promise. Amazon S3 is the best place to build data lakes because of its unmatched durability, availability, scalability, security, compliance, and audit capabilities. It automatically scales as you add or remove files, so you don’t. . cost: $0. can automatically scale from gigabytes to petabytes of data without needing to provision storage. 045 per GB-month, less than half the price of gp2. S3 is for object storage. 30 for EFS. S3 is. Amazon FSx for NetApp ONTAP, OpenZFS, Windows File Server, and Lustre. AWS EBS is only accessible in a single region, while multiple EFS instances can share files across multiple regions. + IOPS costs; EFS: $0. Since most of you are familiar with S3, I will not talk about it in detail. The Amazon Elastic File System (EFS) provides a simple, scalable, elastic file system for Linux-based workloads for use with AWS Cloud services and on-premises resources. Chose Amazon S3 (Simple Storage Service) S3 and EBS/EFS both host files, but they are very different. In the first scenario, involving 1TB of total storage replicated across two AZs, the total cost of ownership was $3,686 under AWS EFS pricing, and $9,457 using a self-managed solution. EFS Intelligent-Tiering is designed to help you achieve the right price and performance blend for your application file data by. Lower latency than S3; Highest cost of the three; Share. Make the right choice for each workload. Compared to AWS EBS, AWS EFS saves the data in many Availability Zones. Another important aspect is cost. S3 vs EBS vs EFS Comparision. And S3 would be an alternate solution if you want to download/upload the files/objects with different clients platforms like Android, iOS, Web etc. There are also native storage options available, such as temporary storage or Lambda layers. To do this when creating a file system using the console, choose Availability and Durability, and then choose One Zone. is an object store with a simple key, value store design, and good at storing vast numbers of backups or user files. 3. Keep in mind that each service has a different cost structure, and thus your choice of storage service impacts cost optimization in AWS. Cost: EFS is approximately 10 times costly than S3. Amazon offers two standard classes of file system storage in EFS: Standard and Infrequent Access storage class (EFS Standard-IA). So, if your code needs the files locally, the EFS would be a better choice. Data storage procurement decisions can significantly impact the overall cost and performance that comes with querying data. First 50 TB / month. Like other cloud storage options, EFS requires balancing convenience with cost. Don't expect the moon, benchmark and monitor it, and you'll do fine. You could have 5-10 copies of something before s3 cost more than EFS. 8. In this blog post, I explain the differences between these. In single model architecture, you have a single ML inference model that performs the inference for all incoming requests. EBS vs. Amazon Simple Storage Service region -Requests-Tier2 : This is for GET. The top reviewer of Amazon EBS (Elastic Block Store) writes "A tool to deal with not only servers having low space but also the migration of servers". Of these services, the first three are the most relevant and frequently used as Glacier is meant only for the cold storage of archive data and. Finally, Amazon S3 is an object store good at storing vast numbers of backups or user files. A mazon S3: Amazon S3 storage costs $0. 005 per 1000 PUT, POST, and LIST requests, and $0. 30 hourly rate, your monthly charge for SFTP is: $0. Virginia) region, you are charged, when moving a virtual tape that has been archived in S3 Glacier to S3 Glacier Deep Archive, at a rate of $0. With a few clicks in the AWS Management Console, you can create file systems that are accessible to Amazon EC2 instances via a file system interface (using standard operating system file I/O APIs) and support full file. "Amazon EFS is a fully-managed service that makes it easy to set up, scale, and cost-optimize file storage in the Amazon Cloud. That’s a significant difference that can add up quickly. With Amazon S3 as a data source, you can choose between File mode, FastFile mode, and Pipe mode: File mode – SageMaker copies a. AWS EBS recover data from EBS. com Serverless File System | Amazon Elastic File System Pricing | AWS Products Storage Amazon EFS Amazon EFS Pricing Get started for free Request a pricing quote Amazon Elastic File System (EFS) is designed to provide serverless, fully elastic file storage that helps you share file data without provisioning or managing storage capacity and performance. Using EFS Lifecycle Management, you can automatically move files. You pay for all bandwidth into and out of Amazon S3, except for. 5,500ms for 400MB files. Service-Disabled Veteran-Owned Small Business (SDVOSB) Agile. 025 per GB per month. 2 Use cases 2 Amazon EBS 2. The estimation factors in typical data compression savings of 50%, and provisions the persistent file system with 1,200 GB of storage capacity and per unit storage throughput of 50 MB/s/TiB. S. After caching is enabled, there is a 5x improvement when serving static assets stored on Amazon EFS. S3 is ideal for storing static web content and media, backups and archiving, data for analytics, and can even be used to host entire static websites with custom domain names. Storage Options: Amazon S3: Amazon EBS: Amazon EFS: Type of Storage: Object storage (photos, videos, documents, etc. Total cost of ownership may be higher, depending on your needs for the data being stored. How does Amazon S3 compare to Amazon EBS vs. AWS EFS is a file storage service for Amazon EC2 instances while EBS is a block-level storage service. That represented a 61% saving by using EFS. 30 * 24 hours * 30 days = $216. AWS EFS vs other NFS storage Hey guys, I hope you guys are all well and safe from covid. 0133$ per GB a month for one-zone storage. Step 2: Create one or more EC2 servers from the EC2 dashboard as needed for your use case. This has an approximately 13x multiple over S3 — costing $0. 021, saving another dollar per TB. 0125 per GB-month * 200 GB). If you turn on EFS Lifecycle Management then the effective cost can drop, but there are a lot of assumption in that price. That represented a 61% saving by using EFS. $0. Create a bucket policy to make the objects in the S3 bucket public. Amazon EFS vs. 25c/GB) is replicated across the region, is instantly. 10 in AWS, $0. Working of AWS EFS; AWS EFS vs S3 vs EBS; AWS EFS pricing; Conclusion; Check out this AWS full course video by Intellipaat. AWS EBS is only accessible in a single region, while multiple EFS instances can share files across multiple regions. ($0. . It is cost-optimized, due to no provisioning requirements, and no purchase commitments. In this article, you learned about comparing Amazon S3 vs RDS. S3 Intelligent-Tiering: Automatically moves objects between two access tiers based on changing access patterns, optimizing costs. 10 for EBS vs $0. Using us-east-1 as a reference, S3 Standard costs $0. Amazon EFS replication Use EFS Replication. Costs 20% less than S3 Standard-IA; Designed for 99. In a physical environment this volume might be coming from storage or a server. 03. Storage Amazon EFS When to Choose Amazon EFS Amazon EFS provides simple, scalable, elastic file storage for use with compute instances on the AWS Cloud and on. EBS is a high-performance per-instance block storage system designed to act as storage for a single EC2 instance (most of the time) EFS is a highly scalable file storage system designed to provide flexible storage for multiple EC2 instances. 3. It’s easy to get confused with. This ranges from £0. It requires at least 10 clients to reach that aggregate throughput. 2. EFS. For e. 04 per gigabyte (GB) transferred. Unlike EBS or EFS, S3 is not. For large data that isn’t already compressed, you almost certainly want to — S3 bandwidth and cost constraints generally make compression worth it. AWS EBS is only accessible in a single region, while multiple EFS instances can share files across multiple regions. Lustre also has deep integrations with Amazon S3. 742,763 professionals have used our research since 2012. EFS Standard tier storage costs $0. AWS มีบริการพื้นที่จัดเก็บบนระบบคลาวด์ที่รองรับเวิร์ก. efs vs efs pro Comparison: EFS (Elastic File System) vs […]Amazon Web Services China (Ningxia) Region operated by NWCD. Data deduplication doesn’t add any additional costs, so it’s a great way to help optimize and reduce your storage costs. EBS stands for Elastic Block Store and is a block-level storage option for use with […] Even worse, if you aren't using the s3fs use_cache option, the latency on your requests goes up dramatically, slowing your site down, as it fetches from S3 during each request. EFS. Alternatively, you might need to build key-value or blob/object storage system depending on the level of structure and retrieval you need. S3 is an object storage system, designed to provide archiving and data control options. S3 – hundreds and thousands of put/get operations against S3 may start to feature on your AWS invoice. provides managed NFS (network file system) that can be. For S3 Intelligent-Tiering, there is an additional charge of $0. S3 does not support NFS. 50 for the EBS volume and $100 for EBS IOPS). But if you code can handle S3 (download from it, use the files, upload the results), then S3 is a better option. EBS is a device you can mount onto EC2. Backup and DR. Create Fake File. One last note, these settings may be enough for many WordPress installations but in some cases, you have to optimize further. gp3 throughput: 125 MiB/s free and $0. Although this storage has the same availability SLA of 99. However, interesting difference is between EFS and S3, and to identify proper use cases for it. if you were to use 1 TB of EFS Standard Storage for 15 days and 200 GB of EFS Standard Storage for the remaining 16 days of a 31 day month, your total Standard Storage would be 1,000 GB * 15 days * 24 hours/day + 200 GB * 16 days + 24 hours / day =. Simple Storage Service – S3. $0. 3/Month. Amazon EBS is much easier to use than Amazon S3 and EFS (Elastic File System) because its cause. S3 is great for static files where EBS/EFS are more intended for files that. 50 in storage charges for the snapshot archive in a 30-day month. To know whether EFS truly is the best option for you, you’ll want to compare it to your other two main options, EBS and S3. Elastic File Store – EFS provides a simple, fully managed, easy to set up, scalable, serverless, and cost-optimized file storage for use with AWS Cloud and on-premises resources. AWS EFS vs. It is ideal for workloads that require shared file access and supports NFSv4 and NFSv4. S3 is a cost-effective solution for. , random access files for an RDBMS) or used by an. It is used to provide the block-level storage volumes for the use of EC2 instances. You can delete old copies from s3 and the cost difference between s3 and EFS is massive. Uploading into S3 from the internet is free. 6, while Microsoft Azure File Storage is rated 8. You don’t even have to pay for files that are less accessible, and it can automatically expand when clients need more storage, and you don’t have to pay. Comparing EFS to another popular Amazon service, Elastic Block. 2. Amazon Elastic File System (EFS) now supports Intelligent-Tiering, a new capability that makes it easier for you to optimize costs for shared file storage, even when access patterns change. 025 per GB-month. The updates and changes will allow customers to leverage S3 and EFS more efficiently and cost-effectively. Multipart upload: If you are old enough, you might remember using download managers like Internet Download Manager (IDM) to increase. Storage Amazon EFS When to Choose Amazon EFS Amazon EFS provides simple, scalable, elastic file storage for use with compute instances on the AWS Cloud and on-premises servers. Amazon EFS is built to scale on demand to petabytes without disrupting applications, growing and shrinking automatically as you add and remove files. With Amazon EFS, there are no minimum fee or setup costs, and you pay only for the storage you use. Amazon EFS (Elastic File System) is rated 8. S3 is an object storage system, designed to provide archiving and data control options. The other most popular file storage services provided by AWS are EBS and S3. Bash. It’s easy to get confused with. 0125. The distributed design of Amazon EFS avoids the. 20 = $12. Skip to content 1 (800) 804-9726; Info@CloudComputingTechnologies. It seems to be the cheapest for data storage. It is designed for customers — particularly those in the financial services, healthcare, media and entertainment and public sector — that retain data sets for 7-10 years or longer to meet customer needs and regulatory compliance requirements. You can mount an Amazon EFS file system in your virtual private cloud (VPC), through the Network. EBS, EFS, FSx, and S3 are all storage solutions offered by Amazon Web Services (AWS). 30. Find the perfect storage solution for your needs. per GB. 1 What is Amazon EBS 2. Amazon S3 vs EBS vs EFS. 61%. Think of a computer’s hard drive. Firstly, let’s remind ourselves about S3 and EFS. EFS provides good performance for the following use cases: Big data and analytics —EFS can provide high throughput to compute nodes, read-after-write consistency and low-latency file operations. Yet despite these differences, Amazon EC2 and Amazon S3 complement each other in significant ways. 2. 025$ per GB a month for standard storage and 0. The system shrinks and grows when you remove or add files. 04 per gigabyte (GB) transferred. AWS SFTP pricing can be broken down as such: Endpoint fee: $0. Glacier has a very low storage cost, but a higher. Security: AWS S3 buckets are usable on a permission-based level that is managed through the IAM policy of the AWS account. Some AWS services only support using EFS (AWS Lambda, Linux ECS containers). S3 Infrequently Accessed uses less redundant hardware for storage, and Amazon passes those cost. Assume you have an Amazon EFS file system in the China (Ningxia) Region, operated by NWCD with 1TB of data. 2. SG still requires the other storage systems. EBS is block, EFS is file, S3 is object. While some may select a single platform over others,. 0. S3 is great for static files where EBS/EFS are more intended for files that are frequently modified. 032/GB = $3. At $0. This includes situations where information is being transferred between AWS Accounts. 999999999 percent (11 9s) durability and up to. 04 USD per provisioned MiB/s-month over 125. Virginia). S3 Standard IA. The EFS Standard storage class is currently charged at $0. 023 per GB-month (in the US. January 29. Cost. Under Configuration, for Location type, select Amazon EFS file system. When should I use Amazon EFS vs. 1 Amazon web services are widely used around the world for storage options. Improvement: 5X. S3 stands for Simple Storage Service and is an object-level storage option that can be used to store and retrieve any amount of data from anywhere on the web. In relationship to our use case, BOS will use this method to replicate all 900 Petabytes of data into a more cost effective S3 storage class such as glacier deep archive. You can allocate any amount of memory to your function between 128 MB and 10,240 MB, in 1 MB increments. In this Amazon S3 vs EBS vs EFS, we will discuss the differences between Amazon S3, EBS, and EFS. 50 per month ($62. For example, storing 100 GB of data on Amazon S3 will cost around $3, as compared to around $10 a month on general purpose SSD Amazon EBS. 1. FAq for comparison s3 v/s ebs v/s efs. 6. Optimizing EFS costs: Amazon keeps making it. 0133$ per GB a month for one-zone storage. Amazon S3? AWS offers cloud storage services to support a wide range of storage. 005 USD per provisioned IOPS-month over 3,000. $0. EFSThis example estimates the cost of storing 2,000 GB of data on a file system with at least 50 MB/s of throughput capacity in the US East (N. Create an IAM user with an S3 access policy and copy the IAM credentials to the EC2 instance. Over 500 TB / month. Store the data in an Amazon Elastic File System (Amazon EFS) file system. 5X faster than EFS in the fastest burst mode. Amazon EFS is easy to use offering a simple interface that allows you to create and configure file systems quickly and easily. EFS is a file system. 0055 per 1,000 PUT, COPY, POST, or LIST requests. This post on stack is also a good read AWS EFS vs EBS vs S3 (differences & when to use?)The example is focused on costs directly related to EFS Replication. Which is costlier EFS or EBS? Amazon EFS is almost 10 times more expensive than Amazon EBS pricing, but the cheaper Amazon EBS can only be accessed by one Amazon EC2 instance at a. In the navigation pane, choose Tasks. 2; 40; Answer. Simple Storage Service – S3. Amazon S3. Amazon Simple Storage Service (Amazon S3) can host static websites without a need for a web server. Amazon EC2 and Amazon S3 are fundamentally different types of services. EFS is $0. 05 per GB. S3 Intelligent-Tiering Storage, Frequent Access Tier. If you store more than 50 TB per month, the next 450 TB will be charged at $0. EBS is block-level storage designed for Elastic Compute Cloud (EC2) instances. The same sized EFS standard share would cost an additional $307 -- or about 21% more with backup and 103% more without backup -- than FSx for Windows. S3. 0004 per 1000 GET, SELECT, and other requests. Glacier’s use cases are far more targeted than S3’s, but this makes it a powerful solution for. 30 per hour (and charged by hour) Data uploads. S3 vs EBS vs EFS Comparision. 8. EFS follows a pay-as-you-go model, while FSx pricing hinges on type and capacity. Cost: EFS is approximately 10 times costly than S3. For example, many small files, highly parallel writes or high write/read ratios. Depending on your needs, EFS offers two storage classes: Infrequent Access and Standard Access. Regarding cost, Amazon S3 is no doubt the cheapest in terms of pure storage costs. From Amazon S3 Simple Storage Service Pricing - Amazon Web Services:. Nearline & Coldline. AWS EFS vs EBS vs S3. Amazon EFS (Elastic File System) vs Amazon S3: which is better? Base your decision on 54 verified in-depth peer reviews and ratings, pros & cons, pricing, support and more. As already mentioned EFS is completely different to S3. You choose a class depending on your use case. EFS is a Network Filesystem (NFS). You can use S3 Intelligent-Tiering as the default storage class for virtually any workload, especially data lakes, data analytics, new applications, and user-generated content. Getting the best performance out of Amazon EFS. Simple Storage Service – S3. In the AWS platform, cloud storage is primarily broken down into three services: Simple Storage Service (S3). 0 /4. Cloud Solutions. You can access your file system from the cloud (using Amazon EKS clusters or Amazon EC2 instances), or on-premises (via AWS VPN. S3 is a blob storage, with no structure, no data types, items can't be updated only replaced. EFS is a file system for many EC2 instances.