How can storage pools in PowerFlex be expanded?

Question

Options

• AAdd additional disks to the existing pool
• BIncrease the node count in the fault set
• CConfigure replication between clusters
• DCreate new protection domains

• A
  87% (39)
• B
  4% (2)
• C
  7% (3)
• D
  2% (1)

Explanation

Adding disks directly to an existing storage pool is how PowerFlex (formerly ScaleIO) expands capacity - the pool is the logical aggregation of physical drives, so growth happens by contributing more drives into that pool. Option B is wrong because fault sets are availability groupings within a protection domain, not a capacity mechanism - changing node count doesn't expand the pool itself. Option C describes disaster recovery or data mobility, not capacity expansion of a pool. Option D creates new isolation boundaries entirely; a new protection domain doesn't add capacity to an existing pool.

Memory tip: Think of a storage pool like a bucket - you expand it by dropping more rocks (disks) in, not by building a new bucket (protection domain) or rearranging the shelves around it (fault sets).

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