The Microsoft Cloud Adoption Framework for Azure, phase by phase
Strategy, Plan, Ready, Adopt, Govern, Secure and Manage: what each phase produces, how landing zones fit in, and how to use the framework on a real programme.
Topic: Azure
Creating a storage account with the portal, CLI and PowerShell
Naming rules, then the same storage account created three ways, with secure defaults.
Blob storage: containers, blobs and access tiers
How blob storage is organised, the three kinds of blob, and the four access tiers in brief.
Azure VM will not start: AllocationFailed and OverconstrainedAllocationRequest
What the allocation errors mean, how to check VM size restrictions, and the order of fixes that gets a stuck virtual machine running.
Azure Storage 403 error: AuthorizationFailure or AuthorizationPermissionMismatch
The two 403 errors look alike but have different causes: the storage firewall, or a missing data role. How to tell them apart and fix each.
What Azure Storage is and the services it offers
The storage account, its endpoints and the main services: blobs, files, queues, tables and disks.
Storage account types and performance tiers
Standard general-purpose v2, the premium account types, and the choices on the Basics tab.
Redundancy: LRS, ZRS, GRS and GZRS
Where Azure keeps the copies of your data, and how to choose between the four redundancy options.
Notes on AZ-305 for engineers who run on-premises estates
How an on-premises background maps to the AZ-305 exam, and how to study the design decisions.