Storage Flashcards
What types of Storage ?
storage is another foundation element of Azure
need to chose correct storage
Storage account - unique namespace within Azure
What is Blob Storage
large number of scenarios, versatile
general storage - pretty much anything
stored in containers inside storage account
possible to have multiple containers - why ?
each blob has unique address within Azure
What are the details of Blob Storage ?
Files can be Images, streaming video / audio, Log files and backup files
What are the types of Blob Storage ?
Block Storage - up to 4.7TB
Append - Blocks optimised for file append operations (e.g. VM logs)
Page - up to 8TB - where any part of file may be accessed (e.g. VHD / VM disk file)
What are the Blob Pricing Tiers ?
Hot - frequently accessed files - lower access time, higher cost
Cool - 30 days ?
Archive
What is Disk Storage ?
Managed storage used to attach VM
managed by Azure
easily upgradeable
What are the types of disk storage ?
HDD - low cost (backups, testing)
Standard SDD - typical production
Premium SDD - super fast, high perf. (databases)
Ultra Disk - data intensive - up to 64TB in size
What is File Storage ?
used to supplement on-prem storage
can share access, fully Azure managed, resilient
lift and shift also possible
What is Archive Storage ?
Blob storage
lowest priced storage tier - encrypted, durable
archive may be required for legislation purposes
allows freeing up of premium storage