NS0-157 · Question #335
Which of the following is true about the storage module?
The correct answer is C. Manages WAFL, RAID and Storage. The storage module in ONTAP's internal architecture is responsible for managing WAFL (Write Anywhere File Layout), RAID groups, and the underlying physical storage layer.
Question
Which of the following is true about the storage module?
Options
- AHandles NAS and SAN Protocols
- BServes data to clients
- CManages WAFL, RAID and Storage
- DManages V-servers
How the community answered
(29 responses)- A3% (1)
- C90% (26)
- D7% (2)
Why each option
The storage module in ONTAP's internal architecture is responsible for managing WAFL (Write Anywhere File Layout), RAID groups, and the underlying physical storage layer.
Handling NAS and SAN protocols is the responsibility of the network module and SCSI module, not the storage module.
Serving data to clients is performed by the network module (for NAS) and the SCSI module (for SAN), not the storage module itself.
The storage module (also referred to as the D-blade or data module in ONTAP's multi-module architecture) owns the WAFL file system, RAID management, and physical disk management. It is the component that handles data layout, parity, and consistency on disk, while other modules handle protocol serving and networking.
Managing SVMs (formerly V-servers) is a cluster-level management function handled by the management infrastructure, not the storage module.
Concept tested: ONTAP internal module architecture and storage module role
Source: https://docs.netapp.com/us-en/ontap/concepts/index.html
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