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Difficulty: MediumAzure Storage Accounts, Blob, Disk, Files, and Storage Tiers

An organization stores historical audit logs in the Archive tier of an Azure Storage account. An administrator needs to run a compliance report that queries these logs using an application. The application fails because it cannot read the logs in their current state. Which action must the administrator perform to resolve this issue?

  1. Change the access tier of the blobs to Hot or Cool, or copy the blobs to a new blob in a different tier to initiate rehydration.Answer
  2. B
    Access the logs directly from a read-only replica by configuring Read-Access Geo-Redundant Storage (RA-GRS).
  3. C
    Submit a support ticket to Microsoft to update the storage drivers on the virtual machine, as guest OS patching for IaaS VM storage is Microsoft's responsibility.
  4. D
    Assign an Azure Policy to the resource group to retroactively modify the state of the logs from offline to online.

Answer

Change the access tier of the blobs to Hot or Cool, or copy the blobs to a new blob in a different tier to initiate rehydration.
The correct answer is to change the access tier of the blobs to Hot or Cool, or copy the blobs to a new blob in a different tier to initiate rehydration. The Archive tier is an offline storage tier designed for data that is rarely accessed. Blobs in the Archive tier cannot be read directly. To make the data readable by an application, the blobs must first undergo rehydration, which moves them back to an online tier (Hot or Cool).

Step-by-Step Solution

1
Identify the storage tier of the historical audit logs.
The logs are stored in the Archive tier, which is an offline tier optimized for rarely accessed data.
Data in the Archive tier is kept offline to reduce costs and cannot be read or modified directly.
2
Determine the requirement for accessing the Archive tier data.
The data must be rehydrated to an online tier (either Hot or Cool) before it can be read.
Rehydration is the process of retrieving offline archive data and moving it back to an online state.
3
Select the appropriate rehydration method.
Change the access tier of the blobs to Hot or Cool, or copy the blobs to a new blob in the Hot or Cool tier.
Both methods initiate the rehydration process, making the logs accessible to the application after the rehydration completes.

Key Concept

Azure Blob Storage Archive tier and the rehydration process
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Topics

Azure Storage Accounts, Blob, Disk, Files, and Storage Tiers

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