AWS Certified Solutions Architect Associate SAA-C03 Practice Question
A company has a legacy application that generates large log files which are periodically analyzed for troubleshooting and performance tuning. The application is running on an EC2 instance and the analysis tool can only access files over NFS. The company wants a scalable and durable storage solution that can be accessed concurrently from multiple EC2 instances in the same Availability Zone. Which storage solution should the company implement?
Amazon EFS is the correct choice because it is a managed file storage service that can be shared between multiple EC2 instances and supports the NFS protocol, which is required by the application. This makes it ideal for concurrent access to shared file systems. Amazon S3, while highly durable and suited for object storage, does not support the NFS protocol natively and would require additional steps to mount as a file system, making it less appropriate for this use case. Amazon EBS is block storage which does not support file-sharing capabilities and typically can be mounted to a single instance. Amazon FSx for Windows File Server provides fully managed file storage but uses the SMB protocol, which is not compatible with the requirement for NFS.
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Why wouldn't Amazon S3 or EBS be suitable for this use case?