DP 900 - Azure Storage

Azure Storage - 25 Cards
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Block Storage
Storage type used by hard disks.
File Storage
Type of storage used to share files.
Object Storage
Type of storage used for REST API access to objects.
Azure Disks
Block storage for Azure VMs
Azure Files
File shares for cloud and on-premises
Azure Blobs
Object store for text and binary data
Azure Queues
Decouples applications using messaging
Azure Tables
Basic NoSQL store; use Cosmos DB for advanced needs
Storage Account
Required for Storing Azure Files, Blobs, Queues, and Tables.
Locally redundant storage (LRS)
3 synchronous copies in same data center; least expensive
Zone-redundant storage (ZRS)
3 synchronous copies in 3 AZs in primary region
Geo-redundant storage (GRS)
LRS + asynchronous copy to secondary region; highest availability
Geo-zone-redundant storage (GZRS)
ZRS + asynchronous copy to secondary region; most expensive
Region Pairs
Easily distribute data in two regions (Example - Central India & South India)
Azure Disks
Block storage for Azure VMs
Standard HDD
Recommended for backup, non-critical, infrequent access
Standard SSD
Recommended for web servers, lightly used enterprise applications, and dev/test environments
Premium SSD
Recommended for production and performance-sensitive workloads
Ultra disks (SSD)
Recommended for IO-intensive workloads, such as SAP HANA, top tier databases (e.g., SQL, Oracle), and other transaction-heavy workloads
Managed Disk
Azure handles storage, high fault tolerance and availability
Unmanaged Disk
You need to manage storage and storage account. Disks stored in containers.
Azure Blobs
Object store for text and binary data
Hot Access Tier
Frequently accessed data storage
Cool Access Tier
Infrequently accessed data storage for at least 30 days
Archive Access Tier
Rarely accessed data storage for at least 180 days