Which component is responsible for data aggregation and storage management in PowerFlex?

Question

Options

• AMeta Data Manager
• BStorage Data Server
• CProtection Domain
• DFault Set

• A
  3% (1)
• B
  88% (35)
• C
  8% (3)
• D
  3% (1)

Explanation

Storage Data Server (SDS) is correct because it is the PowerFlex component that runs on each server node to aggregate that node's local storage capacity (HDDs/SSDs) and contribute it to the shared storage pool - it directly manages I/O operations to the underlying physical devices.

Meta Data Manager (MDM) (A) is wrong because the MDM handles cluster configuration, volume mapping, and orchestration - it manages where data lives, not the actual storage devices themselves.

Protection Domain (C) is wrong because it is simply a logical grouping of SDSs for performance and fault isolation purposes - an organizational boundary, not an active data management component.

Fault Set (D) is wrong because it is a sub-grouping within a Protection Domain used to prevent data replicas from sharing a common failure point (e.g., same rack) - purely a placement policy construct.

Memory tip: Think of SDS = "Storage Does Storage" - it's the worker bee on each node that actually touches the disks. The MDM is the manager that knows the map; the SDS is the one doing the heavy lifting.

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