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Zorluk: ZorAWS Storage Services

An engineering firm runs high-performance computing (HPC) simulation workloads on a fleet of Amazon EC2 instances. The workloads require two storage components:

1. A transient scratch pad attached directly to each EC2 instance that provides ultra-low latency and very high write throughput. Data on this scratch pad is temporary and does not need to persist if the instance is stopped or terminated.
2. A durable and cost-effective storage repository to store the final PDF simulation reports. These reports must be immediately accessible for the first 30 days after generation, but can be moved to long-term archiving afterward to minimize storage costs.

Which two AWS storage services or features should the company select to meet these requirements?

  1. Amazon EC2 Instance Store to serve as the transient scratch padCevap
  2. Amazon S3 Standard for initial report storage, combined with an S3 Lifecycle policy to transition reports to Amazon S3 Glacier after 30 daysCevap
  3. C
    Amazon EBS Cold HDD (sc1) volumes to serve as the transient scratch pad
  4. D
    Amazon S3 Glacier Deep Archive to store the reports from the first day of generation
  5. E
    Amazon EBS Provisioned IOPS SSD (io2) volumes to store and archive the final PDF reports

Cevap

The correct services are Amazon EC2 Instance Store for the temporary scratch pad and Amazon S3 Standard combined with an S3 Lifecycle policy to transition the reports to Amazon S3 Glacier after 30 days.
The correct solutions are Amazon EC2 Instance Store and Amazon S3 Standard with an S3 Lifecycle policy. An Instance Store provides temporary, high-performance block storage directly attached to the host, which is ideal for transient scratch pads where data does not need to persist. Amazon S3 Standard provides immediate (millisecond) retrieval latency for the first 30 days of report access, and S3 Lifecycle policies can automate transitioning the reports to Amazon S3 Glacier for cost-effective long-term storage.

Adım Adım Çözüm

1
Analyze the scratch pad requirements for latency, throughput, and durability.
The workload requires ultra-low latency, high write throughput, and transient storage where data is lost upon stop/termination.
This identifies the need for ephemeral block storage directly attached to the host.
2
Select the storage type that matches the scratch pad requirements.
Amazon EC2 Instance Store is selected because it provides temporary, high-performance block storage attached to the host computer.
Unlike persistent EBS volumes, Instance Store is designed for transient data where speed is critical and persistence is not required.
3
Analyze the final report storage requirements for accessibility and cost.
The reports require immediate access for 30 days, followed by long-term cost-optimized archiving.
This requires an object storage class with low latency initially, and an automated method to move files to a cheaper archival class.
4
Select the storage solution that matches the report requirements.
Amazon S3 Standard combined with an S3 Lifecycle policy to transition to Amazon S3 Glacier is selected.
S3 Standard offers millisecond access for the first 30 days, and Lifecycle policies automatically move the files to Glacier for low-cost archiving.

Anahtar Kavram

Differentiating between ephemeral block storage (Instance Store), persistent block storage (EBS), and object storage (S3) tiers to meet performance, cost, and lifecycle requirements.
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AWS Storage Services

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