SK0-003 · Question #712
Given four drives, which of the following RAID levels will allow for the GREATEST performance?
The correct answer is A. RAID 0. RAID 0 provides the highest performance by striping data across all drives without any parity or mirroring, maximizing both read and write speeds.
Question
Given four drives, which of the following RAID levels will allow for the GREATEST performance?
Options
- ARAID 0
- BRAID 5
- CRAID 6
- DRAID 10
How the community answered
(34 responses)- A94% (32)
- B3% (1)
- C3% (1)
Why each option
RAID 0 provides the highest performance by striping data across all drives without any parity or mirroring, maximizing both read and write speeds.
RAID 0, also known as striping, splits data into blocks and writes them across all available drives simultaneously. With four drives, this means data can be written and read in parallel across all disks, resulting in the greatest performance improvement compared to other RAID levels that incorporate parity or mirroring for redundancy.
RAID 5 stripes data with distributed parity, which offers good performance for reads but has a write penalty due to parity calculation and writing, making it less performant than RAID 0.
RAID 6 stripes data with dual distributed parity, providing greater redundancy than RAID 5 but incurring an even larger write penalty, thus having lower performance than RAID 0.
RAID 10 combines mirroring and striping, offering excellent performance and redundancy, but with four drives, a pure RAID 0 configuration will generally yield higher raw read/write performance by utilizing 100% of the drive capacity for data without mirroring overhead.
Concept tested: RAID levels and performance characteristics
Source: https://learn.microsoft.com/en-us/windows-server/storage/disk-management/raid-levels
Topics
Community Discussion
No community discussion yet for this question.