A technician is tasked with creating a test system containing non-critical data.
The technician has limited hardware, but needs maximum performance.
Which of the following RAID levels should the technician use?
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A. B. C. D.A.
In this scenario, the technician has limited hardware but requires maximum performance. To achieve maximum performance, the technician should consider using a RAID level that can provide improved read/write performance, as well as faster data access and retrieval.
RAID stands for "redundant array of independent disks," and it is a technology used to combine multiple physical disks into a single logical unit to improve performance and data redundancy. There are several RAID levels to choose from, each with its own advantages and disadvantages.
RAID 0: This RAID level provides improved performance by striping data across multiple disks, allowing data to be read and written simultaneously from multiple disks. However, it does not provide data redundancy, and the failure of any disk in the array will result in data loss. As such, RAID 0 is not recommended for critical data or systems that require high availability.
RAID 1: This RAID level provides data redundancy by mirroring data across two disks. Each disk contains a complete copy of the data, which allows for faster read performance and improved data protection. However, it does not provide improved write performance, and the capacity of the array is limited to the size of the smallest disk in the array.
RAID 5: This RAID level provides both data redundancy and improved performance by striping data across multiple disks and using parity data to recover data in the event of a disk failure. RAID 5 requires at least three disks and can tolerate the failure of a single disk in the array without data loss. However, write performance can be slower than RAID 0, and data rebuild times can be longer due to the parity calculations.
RAID 10: This RAID level provides both improved performance and data redundancy by combining RAID 0 and RAID 1. Data is striped across multiple mirrored pairs of disks, providing improved read and write performance as well as data redundancy. RAID 10 requires at least four disks, and can tolerate the failure of one disk per mirrored pair without data loss.
Based on the requirements in the scenario, the best RAID level to use would be RAID 0. While RAID 5 and RAID 10 provide data redundancy, they also require more disks and may not provide the same level of performance as RAID 0. Since the data being stored is non-critical, the risk of data loss in the event of a disk failure is acceptable, and the improved performance provided by RAID 0 is desirable. However, it is important to keep in mind that RAID 0 provides no data redundancy and should not be used for critical data or systems that require high availability.