Storage on cloud

• Cloud is all about using someone else’s hardware
• The storage on the cloud refers to storing the docs/files/.. on someone else’s hardware and accessing them from anywhere using internet.
• To address enterprise needs
• AWS offers multiple storage services
  
• Azure offers mulitple storage services
  

Enterprise Storage Systems (Needs)

Types

• Disk Storage
  
• Network Attached Storage/Storage Area Networks/File Share
  

Usecases

• Storing data
• BCDR (Business continuity and Disaster Recovery) Backup and Archive
  
• Multimedia content on websites
• Databases
• Data lakes

Findout what

• RTO (Recovery Time Objective), RPO (Recovery Point Objective)
• GB (giga bytes), GiB (Gibi bytes)
• How to measure disk performance
  • Throughput: Total amount of data read/write per second. Generally HDD use throughput as metric
  • IOPS (Input/Output Operations per second), SSD use IOPS as metric.