Storage - S3 Glacier Flashcards
What is S3 Glacier?
long-tearm archival solution optimized for IA or cold data
What type of web service is Glacier?
REST-based
Storage limitations?
storage of archives and data are unlimited
How is Glacier durability and availability?
99.999999999% durability and synchronous data stores across multiple AZs
Lifecycle management?
Glacier works with S3 Lifecycle rules to archive data and reduce overall storage cost.
What is a vault?
container of storing archives; each vault has unique address; stores unlimited number of archives; region specific
What is an archive?
base unit of storage; any data, such as a photo, video and or document
What is a job?
select query, retrieval, and or get of an inventory of an archive in a vault; multiple jobs can run at once
Security
encrypts data at rest by default; SSL for data in transit; immutable storage; require credentials to access bucket; glacier vault is the primary resource of vault policies
Pricing
charged per GB per month of storage; retrieval operations, upload requests, data transferred out of Glacier; charge if data is deleted within 90 days
limitations
up to 1000 vaults with a single AWS account
What is glacier vault lock?
allows you to easily deploy and enforce compliance controls for individual vaults with a vault lock policy. Once locked, the policy can no longer be changed.