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CAF.Name.Storage.md

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pillar category online version
Operational Excellence
Resource naming

Use standard storage account names

SYNOPSIS

Storage account names should use a standard prefix.

DESCRIPTION

An effective naming convention allows operators to quickly identify resource type, associated workload, deployment environment and Azure region.

For storage accounts, the Cloud Adoption Framework recommends using the st, stvm, and dls prefix. Use of different prefixes depends on the intended usage of the storage account.

Requirements for storage account names:

  • At least 3 characters, but no more than 24.
  • Can include alphanumeric characters only.
  • Storage account names must be global unique, because they directly relate to a DNS host name.

RECOMMENDATION

Consider creating storage accounts with a standard name. Additionally consider using Azure Policy to only permit creation using a standard naming convention.

NOTES

This rule does not check if storage account names are unique.

To configure this rule:

  • Override the CAF_StoragePrefix configuration value with an array of allowed prefixes.
  • Override CAF_UseLowerNames with false to allow mixed case in resource names. By default only lower-case letters and other supported characters are allowed. This option affects all resource name rules.

LINKS