EC2 Instance Storage Flashcards
EBS acronym
Elastic block store
EBS Volume
Network drive
EBS Volume free tier
30GB SSD or magnetic
AZ for EBS volumes
Has to be a specific one
How do you move an EBS volume to another AZ?
Snapshot
EBS Delete on Termination
Which EBS Volume is deleted on termination by default?
Root
EBS Snapshot
EBS volume backup
EBS Snapshot Archive
Move snapshot to cheaper archive tier (75% cheaper)
EBS Snapshot Archive restore time
24-72 hours
EBS Snapshot recycle bin
Retain deleted snapshots for a configurable period of time. 1 day to 1 year
AMI acronym
Amazon Machine Image
AMI
Custom image EC2 instance
Benefit of AMI
Preconfigured with software installed
Faster boot
AMI Sources (3)
Create your own
Public AMI
AWS Marketplace
EC2 Image Builder
Automate creation of VM’s or container images
EC2 Image purpose
Automate creation, maintenance, validation, and test of EC2 AMI’s
Who creates EC2 Builder image tests?
System operator
EC2 Instance Store purpose
Better I/O
High performance
EC2 Instance Store durability
Lost when they are stopped (ephemeral)
EC2 Instance Store use cases
Buffer, Cache, Scratch. Temp content
EFS acronym
Elastic File System
EFS purpose
Managed NFS that can be mounted to 100’s of EC2
EFS relies on what OS?
Linux only
EFS is a glorified…
Shared drive
EBS vs. EFS
EBS is temporary. EFS is a shared drive
EFS-IA
EFS Infrequent Access
EFS-IA Discount
Up to 92%
EFS-IA purpose
Works like an archive for non-accessed data by policy
What does a lifecycle policy control?
EFS-IA
Who is responsible for replicating EC2 Storage data?
AWS
Who is responsible for backing up EC2 Storage data?
Customer
Amazon FSx
3rd party Managed service file system
Amazon FSx for Windows
Windows native File System
Supports SMB and NTFS
Accessible on-prem
Amazon FSx for Lustre
High performance storage for Linux cluster
HPC Acronym
High performance computing
