1Y0-401 · Question #80
Scenario: A Citrix Architect is designing a multi-server Provisioning Services solution for CGE. The solution must be highly available and minimize the risk of vDisk inconsistency. How should the arch
The correct answer is B. By implementing RAID 1. For fault tolerance and high performance of the storage on a DFS namespace server, the architect should implement RAID 1 for the server's local drives.
Question
Options
- ABy implementing RAID 0
- BBy implementing RAID 1
- CBy implementing high-speed local storage with deduplication
- DBy implementing RAID 10
How the community answered
(32 responses)- A3% (1)
- B81% (26)
- C6% (2)
- D9% (3)
Why each option
For fault tolerance and high performance of the storage on a DFS namespace server, the architect should implement RAID 1 for the server's local drives.
RAID 0 (Striping) provides performance but no fault tolerance, making it unsuitable for the operating system and critical configuration data on a DFS namespace server where data redundancy is essential.
RAID 1 (Mirroring) is appropriate for the local storage on a DFS namespace server, primarily for the operating system and DFS metadata, as it provides fault tolerance for critical system files. Since a DFS namespace server typically does not directly store high-I/O vDisk data, RAID 1 offers sufficient redundancy without the overhead of higher-performance RAID levels.
Implementing high-speed local storage with deduplication is focused on optimizing storage space and potentially performance for file data, but it is not a primary solution for the fault tolerance of a server's OS and core system files like RAID.
RAID 10 (Striping with Mirroring) provides high performance and fault tolerance, but it is generally overkill for the local storage of a DFS namespace server, which primarily hosts metadata and not the actual high-I/O vDisk content, making RAID 1 a more cost-effective and adequate choice.
Concept tested: RAID levels for DFS Namespace server local storage
Source: https://learn.microsoft.com/en-us/windows-server/storage/dfs-namespaces/dfs-overview
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