2V0-622D · Question #202
Which three design requirements must be satisfied to enable RAID-6 objects in a VMware vSAN cluster? (Choose three.)
The correct answer is B. at least six hosts contributing storage C. vSAN Advanced license or higher E. All Flash configuration. RAID-6 erasure coding in vSAN has specific hardware, licensing, and topology requirements that must all be met simultaneously.
Question
Which three design requirements must be satisfied to enable RAID-6 objects in a VMware vSAN cluster? (Choose three.)
Options
- Adeduplication and compression
- Bat least six hosts contributing storage
- CvSAN Advanced license or higher
- DvSAN stretched cluster
- EAll Flash configuration
How the community answered
(37 responses)- A3% (1)
- B95% (35)
- D3% (1)
Why each option
RAID-6 erasure coding in vSAN has specific hardware, licensing, and topology requirements that must all be met simultaneously.
Deduplication and compression is an independent vSAN feature that has no dependency relationship with RAID-6 erasure coding policy selection.
RAID-6 uses FTT=2 erasure coding, which stripes data across a minimum of 6 hosts to tolerate 2 simultaneous failures - fewer hosts cannot satisfy the required parity distribution.
Erasure Coding (RAID-5/6) is a feature gated behind the vSAN Advanced license tier; the Standard license only supports RAID-1 mirroring policies.
A vSAN stretched cluster is a separate architecture for cross-site redundancy and is not a prerequisite for enabling RAID-6 within a single site cluster.
vSAN RAID-5/6 erasure coding is exclusively supported on All Flash disk group configurations; Hybrid configurations do not support this storage policy.
Concept tested: vSAN RAID-6 erasure coding prerequisites
Source: https://docs.vmware.com/en/VMware-vSAN/8.0/vsan-planning/GUID-2D1B2B39-C411-4D7D-94C1-B5CA8E4FCA28.html
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