AZ-900 Certification Notes

Chapter 6.9 - Summary

• Blob

  • General storage for anything you'd like
  • Block, append, and page varieties
  • Blob is inside a container, which is inside a storage account
  • Hot, cool, or archive price tiers

• Disk

  • A disk is generally attached to a VM; a managed storage service
  • Choose HDD, SSD, Premium SSD, or ultra disk

• File

  • Mitigating on-premises file storage solutions
  • Highly available and resilient storage
  • Easy to share

• Archive

  • A very cheap way to store massive amounts of data
  • Also a Blob Storage type

• Storage Redundancy

  • Multiple copies of Azure Storage data
    • No single disk acts as a single point of failure for your critical data
  • Minimum three copies
    • Three copies if you choose single region redundancy, six copies if you choose paired region redundancy
  • Single/multiple copies
  • Single/multiple regions

• Moving Data

  • AzCopy: Command-line utility
    • For blobs, objects, and files
  • Storage Explorer: GUI interface
    • User friendly drag and drop interface
  • Azure File Sync: Sync Azure Files with on-premises file server

• Additional Migration Options

  • Azure Data Box: Offline data transfer
    • Rugged hard drive used to ship massive amounts of data offline
  • Azure Migrate: Migrate on-premises resources
    • Servers, databases, applications

• Premium Performance Options

  • SSD-backed storage options
    • For block blobs, page blobs (for unmanaged VM disks), and file shares
  • Limited redundancy options
    • Premium page blobs now support LRS and ZRS
  • Premium storage types