AWS instance type Naming Conventions

• Instance type name contains the combinaton of instance family, generation, size.
• They also indicate some additional capabilites
  • a – AMD processor
  • g – AWS Graviton Processors
  • i – Intel Processors
  • d – instance store volumes
  • n – Network optimized
  • b – Block Storage optimization
  • e – Extra storage or memory
  • z – High Frequency

AWS Block Storage (Virtual Disk)

• EBS Volumes
• Instance Store
  
• Disk with OS referred as root volume or primary volume is always EBS
  
  
  
• EC2 instance and ebs volume should be from the same Availability Zone.