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AWS Certified Solutions Architect study material · question 309 of 500

An existing Linux application must run unchanged against a high-performance shared file system. Which property of FSx for Lustre makes that possible?

  1. It presents an S3-compatible object API
  2. It exposes the file system over SMB
  3. It requires a Lustre client rewrite in the application
  4. It is POSIX-compliant, with read-after-write consistency and file locking
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Answer: D. It is POSIX-compliant, with read-after-write consistency and file locking

FSx for Lustre provides a native file system interface with POSIX semantics, so Linux applications need no changes.

Source: What is Amazon FSx for Lustre? (Amazon Web Services) — What is Amazon FSx for Lustre?

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