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Question 6 - D-PWF-DS-23 discussion

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Which two aspects must be in place before adding a Fault Set? (Select 2)

A.
Protection Domain
Answers
A.
Protection Domain
B.
Storage Pools
Answers
B.
Storage Pools
C.
Acceleration Pool
Answers
C.
Acceleration Pool
D.
Resource Group
Answers
D.
Resource Group
Suggested answer: A, B

Explanation:

Before adding a Fault Set in PowerFlex, two critical aspects must be in place: a Protection Domain and Storage Pools.

Protection Domain: This is a logical grouping of storage resources that share the same protection policy and fault tolerance settings. It defines the boundaries of failure domains and is essential for ensuring data availability and resilience1.

Storage Pools: These are collections of storage media across multiple nodes within a Protection Domain. Storage Pools provide the physical storage where data is actually placed. They are necessary for the creation of volumes and for the distribution of data across the system1.

Fault Sets are used to group nodes that share a common risk of failure, such as being in the same rack or power circuit. When creating Fault Sets, it's important that they are defined within an existing Protection Domain and utilize the storage resources allocated within Storage Pools. This ensures that data remains available and protected even if a Fault Set fails, as the system can rebuild the data using the remaining Fault Sets and Storage Pools1.

The information provided here is based on the best practices and design principles outlined in Dell PowerFlex documentation, which details the requirements for setting up and configuring various components of the PowerFlex system, including Fault Sets1.

asked 16/09/2024
Dinu Jose Varghese
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