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Difficulty: EasyConfigure Blob Storage Lifecycle and Replication

An administrator needs to change the configuration of an existing Azure Storage account from locally-redundant storage (LRS) to geo-redundant storage (GRS). Which of the following describes the correct process for performing this configuration change?

  1. A
    Create a new storage account configured with GRS and manually copy the existing blob data.
  2. Update the replication setting directly in the configuration settings of the existing storage account.Answer
  3. C
    Assign the Storage Blob Data Owner role at the subscription level to authorize the configuration change.
  4. D
    Generate a Shared Access Signature (SAS) token with a custom lifetime to authorize the replication update.

Answer

Update the replication setting directly in the configuration settings of the existing storage account.
Changing a storage account's replication configuration from locally-redundant storage (LRS) to geo-redundant storage (GRS) is a supported in-place operation that can be executed directly within the Azure portal, PowerShell, or Azure CLI without any data loss or downtime.

Step-by-Step Solution

1
Identify the source and target replication configurations.
Source is locally-redundant storage (LRS) and target is geo-redundant storage (GRS).
To determine the supported conversion path and whether an in-place upgrade is allowed.
2
Evaluate the transition path requirements for LRS to GRS.
LRS to GRS is a direct, supported, in-place transition that does not require data replication or manual migration.
To eliminate options suggesting manual data copy or account creation.
3
Select the correct administrative mechanism to perform the change.
The change is a control-plane setting modified directly in the storage account configuration.
To rule out data-plane actions (like SAS tokens or Storage Blob Data Owner roles) and confirm the portal update is the correct method.

Key Concept

Azure Storage replication conversion paths
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Topics

Configure Blob Storage Lifecycle and Replication

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