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EC2 Instance Storage

QuestionAnswer
What is an EBS Volume? Elastic block store - Network drive (not physical) - Data persists after termination - Latency/limited performance - Mount to 1 instance at a time - Multiple can be attached to 1 instance - AZ bound - Billed for all capacity
What is an AMI? Amazon Machine Image - Customisation of EC2 instance software, config, OS, monitoring - Faster boot/config time - Region-bound, but can be copied - Can be public (from AWS), private, or from a third party vendor in the marketplace
What is EC2 Image Builder? - Automates image management processes - Creation, maintenance, validation, sharing and deployment of Linux or Windows images for use on AWS and on-prem - Can be run on schedule or on prompts/triggers - Free service, pay only for resources involved
What is EC2 Instance Store? - High performance - Hardware drive (physical) - No persistence of data post-termination, so only suitable for temporary content - Backups and replication are the responsibility of the user
What is EFS? Elastic File System - Managed network file system - Mounts to many EC2 instances at once to create shared network file system - Linux compatible - Multi-AZ - High availability and scalability - Expensive, but pay-per-use - 92% lower cost in EFS-IA
What is the Shared Responsibility Model? AWS - Infrastructure - Replication for EBS volumes/EFS drives - Hardware User - Backup/snapshots - Data encryption - Risks of data persistence
What is FSx? Third party high performance file systems - Lustre (for high performance computing) - Windows File Server (for Windows) - NetApp ONTAP
Created by: katejimh
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