OCI Foundations - Storage

Introduction

Persistent Storage / Non-Persistent Storage Local NVMe attached to an instance Copied to a NAS -> Block Volume File Storage -> 2 Compute Instances can share files/directories Object Storage -> Photos, Videos, Log files typically accesible via HTTP

Data Migration Services:

• Data Transfer Disk: send disk to Oracle
• Data Transfer Appliance: send larger system
• Storage Gateway: on-premise

Durable: multiple copies

Object Storage

• Ideal for unstructred/semi-structured data (photos, logs, etc)
• Regional, public service

• Objects: key/value pair + metadata
• Flat heireachy, unique name in namespace
• Namespace must have globally unique name
• Namespace -> Bucket -> Object

• https://objectstarage.us-sanjose-1.oraclecloud.com/n/intoracleohit/b/development/o/log.zip
  • Namespace: intoracleohit
  • Bucket: development
  • Object: log.zip

Standard Tier (hot):

• Instantaneous retrieval
• Fast, immediate access
• Most recent copy

Infrequent Access Tier (cool):

• Min storage for 31 days
• Retrieval fees
• Lower storage cost
• eg for backups

Archive Storage Tier (cold):

• Seldom accessed
• Min retention requirement of 90 days
• Restore time: 1 hr
• Downloaded to standard tier in 24 hours
• remote tape access

Cannot change tier once bucket is created. Private or Public access. Pre-authenticated requests:

• Bucket or Object level
• Extra security token is used to access the resource
• With a time expiry

Lifecycle Management, eg:

• After 30 days standard -> archive
• After 60 days, delete

Auto-tiering:

• Can move between Stanard and Infrequent Access tier to reduce costs.

Auto-versioning

Encryption:

• On by default
• Can specify your own keys