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Zorluk: OrtaData Lifecycle Management and Retention

A financial services company stores customer transaction logs in a General-purpose v2 (GPv2) storage account. The logs must be managed according to the following requirements:

* Logs are frequently accessed and analyzed for the first 30 days after creation.
* From day 31 to day 180, logs are rarely accessed but must be available for immediate, real-time security audits with sub-second retrieval times.
* After 180 days, logs must be retained for 5 years to meet regulatory compliance. A retrieval latency of up to 15 hours is acceptable during this period.
* Storage costs must be minimized.

Which lifecycle management policy should you recommend?

  1. Transition blobs to cool storage after 30 days, transition blobs to archive storage after 180 days, and delete blobs after 1825 days.Cevap
  2. B
    Transition blobs to archive storage after 30 days, and delete blobs after 1825 days.
  3. C
    Transition blobs to cool storage after 30 days, and delete blobs after 1825 days.
  4. D
    Transition blobs to archive storage after 180 days, and delete blobs after 1825 days.

Cevap

Transition blobs to cool storage after 30 days, transition blobs to archive storage after 180 days, and delete blobs after 1825 days.
The optimal policy transitions logs to cool storage after 30 days, which lowers costs while ensuring the data remains online and accessible with sub-second latency for security audits. After 180 days, the logs transition to archive storage to minimize long-term retention costs, as the allowed 15-hour retrieval latency aligns with standard Archive rehydration times. Finally, deleting the blobs after 5 years (1825 days) satisfies the regulatory requirement without incurring extra costs.

Adım Adım Çözüm

1
Identify the storage requirements for the initial 30 days.
Logs are frequently accessed during this period, requiring them to remain in the Hot storage tier.
Hot storage is optimized for active and frequent read/write access.
2
Determine the optimal storage tier for logs between days 31 and 180.
Transition the logs to the Cool storage tier after 30 days.
The logs are rarely accessed but require immediate, sub-second retrieval times for security audits. The Cool tier meets this latency requirement at a lower storage cost than Hot, whereas the Archive tier introduces hours of latency due to rehydration.
3
Determine the optimal storage tier for logs after 180 days.
Transition the logs to the Archive storage tier after 180 days.
After 180 days, a retrieval latency of up to 15 hours is acceptable. The Archive tier offers the lowest storage costs for long-term retention and accommodates this latency.
4
Identify the cleanup action after the retention period of 5 years (1825 days).
Delete the blobs after 1825 days.
Regulatory compliance only requires retention for 5 years, so deleting the logs after this period avoids unnecessary storage charges.

Anahtar Kavram

Azure Storage lifecycle management allows you to automate the transition of blobs to cooler storage tiers or delete them based on their age to optimize costs while satisfying application latency and retention requirements.
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Data Lifecycle Management and Retention

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