Cloud Storage

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2 Categories of Cloud Storage

1. Block Storage
   • allocates a large chunk of storage for access as a disk volume managed by the operating system
   • pay for drive-sized blocks even if not fully used
   • can use magnetic or solid state drives
2. Object storage
   • Stores files as individual objects managed by the cloud service provider
   • CSP manages the data
   • less expensive than block storage
   • costs are incurred only when used
   • high availability

Cloud Storage Security

• set permissions properly
• use encryption for sensitive data
• replicate data to multiple data centers