59. EC2 Instance Store, 60. EFS Overview

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8 Terms

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EC2 Instance Store

high-performance hardware disk

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EC2 instance store storage persists when stopped

False

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EFS

Elastic File System

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Elastic File System

Managed NFS (network file system) that can be mounted on 100s of EC2

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When can Elastic File System be used in multi-AZ

with Linux EC2 instances

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Elastic File System traits

Highly available, scalable, expensive (3x gp2), pay per use, no capacity planning

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EFS-IA

EFS Infrequent Access

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EFS Infrequent Access

• Storage class that is cost-optimized for files not accessed every day

• Up to 92% lower cost compared to EFS Standard

• EFS will automatically move your files to this based on the last time they were accessed

• Enable with a Lifecycle Policy

• Transparent to the applications accessing EFS