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AWS SAA 学习笔记
无麸质饮食记录
07-EBS/EFS
type
status
date
slug
summary
tags
category
icon
password
- EBS
 - Elastic Block Store
 - storage volumes with ec2
 - virtual hard disk
 - types
 - general purpose ssd - gp2
 - 3 IOPS per GiB, up to 16000 IOPS per volume
 - general purpose ssd - gp3
 - 3000 IOPS, 125 MiB/s regardless of volume size
 - can scale up to 16000 IOPS
 - provisioned IOPS SSD - io1
 - up to 64000 IOPS per volumn. 50 IOPS per GiB
 - high performance / mose expensive
 - provisioned IOPS SSD - io2
 - latest
 - higher durability and more IOPS
 - the same price as io1
 - up to 64000 IOPS per volumn. 500 IOPS per GiB
 - Throughput Optimized HDD - st1
 - hardware
 - low-cost
 - 40 MB/s per TB, up to 250 MB/s per TB
 - max 500 MB/s per volume
 - cannot be a boot volume
 - COLD HDD - sc1
 - lowest cost option
 - 12 MB/s per TB, up to 80 MB/s per TB
 - max 250 MB/s per volume
 - cannot be a boot volume
 - diff between IOPS and throughput
 - IOPS: times
 - Throughput: number of bits
 


- volumes
 - volume exist on EBS
 
- snapshot
 - exist on s3
 - are incremental
 - consistent snapshots: stop the instance and take a snap
 - share only in the same region
 - exist on the same AZ as EC2
 - can resize on the fly
 - can switch volume on the fly
 
- encrpte
 - AES-256
 
- hibernation
 - safe info from memory to disk
 - do not need to reload the operating system
 - RAM must be less than 150GB
 
- EFS
 - Elastic File System
 - content management
 - use NFSv4 protocol
 - 1000s Concurrent Connections
 - 10 Gbps Throughput
 - scaling Petabytes
 - types
 - Standard
 - Infrequently Accessed
 
- FSx
 - file system
 - based on Windows server
 
- AMI: Amazon Machine Image
 
- EBS vs Instance Store
 - Instance Store: ephemeral storage
 - EBS can be stoped, IS cannot
 
- platform
 - EFS: linux
 - FSx: Windows
 - FSx for Lustre:
 - can store data on S3
 - Linux
 
Last update:  2024-04-04