A technician is configuring a desktop RAID to allow for the best I/O performance and the most storage capacity possible. Which of the following RAID types should the technician use?
RAID 0 is a disk array configuration that splits data across two or more disks without parity or mirroring. RAID 0 provides the best I/O performance because it allows parallel read and write operations on multiple disks. RAID 0 also provides the most storage capacity possible because it does not use any disk space for redundancy. However, RAID 0 does not provide any fault tolerance and increases the risk of data loss if any disk fails.
References: The Official CompTIA A+ Core 1 Student Guide (Exam 220-1101) eBook, page 252
Reasoning:
1.Best I/O Performance: RAID 10 (also known as RAID 1+0) provides the best I/O performance among all RAID types. It combines the benefits of RAID 1 (mirroring) and RAID 0 (striping), allowing for high read and write speeds.
2. Most Storage Capacity: RAID 10 also provides the most storage capacity among all RAID types. Since it uses mirroring, it requires at least two disks for each mirrored set, but it can also stripe data across multiple disks, allowing for a large total storage capacity.
Why the Other Options Are Less Suitable:
A. 0: RAID 0 (striping) provides good I/O performance, but it does not provide redundancy, which means that if one disk fails, all data is lost.
The correct answer is A.
The most storage capacity: This means maximizing the usable storage space available from the combined disks. For example, RAID 0 provides the most storage capacity because it uses all the disk space for data storage without reserving any for redundancy.
Redundancy: This refers to the ability to withstand disk failures without data loss. Redundant RAID configurations, like RAID 1, RAID 5, RAID 6, and RAID 10, use part of the disk space to store duplicate or parity data, which can be used to recover data in case of a disk failure. This reduces the total usable storage capacity but increases data protection.
In this context, the question specifically asks for "the most storage capacity," which aligns with RAID 0's characteristic of using all available disk space for data storage. RAID 0 doesn't provide redundancy, but it does offer the maximum possible storage capacity among the given options.
The best RAID type for achieving the best I/O performance and the most storage capacity possible would be:
A. 0
RAID 0 provides the highest performance and storage capacity among the options listed. It uses striping across multiple drives without redundancy, which maximizes performance and capacity but does not provide data redundancy or fault tolerance.
To achieve the best I/O performance and the most storage capacity possible in a desktop RAID configuration, the most suitable RAID type is:
A. 0
Explanation:
RAID 0 (striping) offers improved I/O performance and utilizes multiple drives to distribute data across them. This enhances read and write speeds but doesn't provide redundancy or fault tolerance.
And what about the storage part? According to Windows Copilot, the answer is D - RAID 10 as this balances performance, redundancy, and storage capacity. Can we get more contributions from others, please?
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