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D-PWF-OE-00 · Question #6

Which feature of PowerFlex is leveraged to expand storage capacity in a cluster?

The correct answer is B. Dynamic Node Addition. Dynamic Node Addition is PowerFlex's hallmark scalability feature, enabling administrators to non-disruptively add storage and compute nodes to a running cluster, instantly increasing available capacity without downtime or data migration. Fault Sets (A) are a data protection…

PowerFlex Upgrades and Expansions

Question

Which feature of PowerFlex is leveraged to expand storage capacity in a cluster?

Options

  • AFault Sets
  • BDynamic Node Addition
  • CSnapshots
  • DShared File Systems

How the community answered

(38 responses)
  • A
    3% (1)
  • B
    89% (34)
  • C
    3% (1)
  • D
    5% (2)

Explanation

Dynamic Node Addition is PowerFlex's hallmark scalability feature, enabling administrators to non-disruptively add storage and compute nodes to a running cluster, instantly increasing available capacity without downtime or data migration. Fault Sets (A) are a data protection mechanism that groups nodes to prevent replica data from being stored on hardware that could fail together (e.g., same rack) - they guard availability, not expand capacity. Snapshots (C) create point-in-time copies of volumes for data protection and cloning; they consume capacity rather than add it. Shared File Systems (D) refer to file-level access protocols layered on top of PowerFlex storage - a data access method, not a capacity scaling mechanism.

Memory tip: Link "Dynamic" to "growth" - Dynamic Node Addition = dynamically growing your cluster, one node at a time, live.

Topics

#cluster expansion#Dynamic Node Addition#storage capacity

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