NS0-157 · Question #208
Which aggregate type is supported for Flash Pool?
The correct answer is C. 64 bit. Flash Pool hybrid aggregates are only supported on 64-bit aggregates in NetApp ONTAP; traditional and 32-bit aggregate formats are not compatible.
Question
Which aggregate type is supported for Flash Pool?
Options
- ATraditional
- B32-bit
- C64 bit
- D128-bit
How the community answered
(32 responses)- A3% (1)
- B3% (1)
- C88% (28)
- D6% (2)
Why each option
Flash Pool hybrid aggregates are only supported on 64-bit aggregates in NetApp ONTAP; traditional and 32-bit aggregate formats are not compatible.
Traditional aggregates use the older 32-bit format and do not meet the structural requirements needed to support Flash Pool SSD caching.
32-bit aggregates are equivalent to traditional aggregates in ONTAP and cannot be used with Flash Pool.
Flash Pool requires a 64-bit aggregate because this format supports the larger address space and metadata structures needed to manage an SSD cache tier alongside HDD storage. The 64-bit aggregate type is the current standard format in ONTAP and is a hard prerequisite for enabling Flash Pool functionality on an aggregate.
128-bit is not a valid or recognized aggregate type in NetApp ONTAP.
Concept tested: Flash Pool aggregate type requirements in ONTAP
Source: https://docs.netapp.com/us-en/ontap/disks-aggregates/requirements-flash-pool-aggregates-concept.html
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