Pure Storage FlashBlade Architect Professional FAAA_004 Question # 9 Topic 1 Discussion
FAAA_004 Exam Topic 1 Question 9 Discussion:
Question #: 9
Topic #: 1
A customer is unsatisfied because the level of data reduction on their FlashArray is NOT as high as expected. What two statements should the SE make to the customer? (Choose two.)
A.
A FlashArray's compression and deduplication will need to be tuned for data subsets.
B.
FlashArray's deduplication effectiveness will usually increase as the data quantity grows.
C.
FlashArray data reduction needs to be tuned to increase its effectiveness.
D.
The Right-Size Guarantee means that the customer can work with their SE if necessary.
If a customer is unsatisfied with the level of data reduction on their FlashArray, the SE should make the following two statements:
FlashArray's deduplication effectiveness will usually increase as the data quantity grows:
Deduplication relies on identifying and eliminating duplicate data blocks. As more data is written to the array, the likelihood of finding duplicates increases, improving the overall deduplication ratio.
Customers should expect better data reduction results over time as their dataset grows.
The Right-Size Guarantee means that the customer can work with their SE if necessary:
Pure Storage'sRight-Size Guaranteeensures that customers receive the expected effective capacity based on their workload's data reduction profile. If the actual data reduction does not meet expectations, the customer can collaborate with their SE to address the issue and potentially adjust their subscription or configuration.
Why Not the Other Options?
A. A FlashArray's compression and deduplication will need to be tuned for data subsets:
FlashArray's data reduction techniques (compression and deduplication) are automatic and do not require manual tuning. This statement is misleading.
C. FlashArray data reduction needs to be tuned to increase its effectiveness:
Similar to Option A, FlashArray's data reduction mechanisms are fully automated and do not require manual intervention.
Key Points:
Data Growth:Deduplication effectiveness improves as more data is written to the array.
Right-Size Guarantee:Provides assurance that customers can work with their SE to address data reduction concerns.
Automatic Optimization:FlashArray's data reduction features are self-optimizing and do not require manual tuning.
References:
Pure Storage FlashArray Documentation: "Understanding Data Reduction and Capacity Planning"
Pure Storage Whitepaper: "Maximizing Data Reduction with FlashArray"
Pure Storage Knowledge Base: "Right-Size Guarantee Terms and Conditions"
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