You have a RAID 4 array with six data disks and one parity disk. The system experiences frequent small random write operations. What issue is commonly associated with this scenario?1.0 MarksImproved read performance.No impact on performance.Data fragmentation. Increased fault tolerance.Reduced write performance.
Question
You have a RAID 4 array with six data disks and one parity disk. The system experiences frequent small random write operations. What issue is commonly associated with this scenario?1.0 MarksImproved read performance.No impact on performance.Data fragmentation. Increased fault tolerance.Reduced write performance.
Solution
The issue commonly associated with a RAID 4 array with six data disks and one parity disk experiencing frequent small random write operations is Reduced write performance.
Here's why:
RAID 4 uses block-level striping with a dedicated parity disk. While this setup can improve read performance because multiple disks can be read simultaneously, it can reduce write performance. This is because every write operation requires updating the parity information.
In a scenario with frequent small random write operations, the system would need to constantly update the parity disk. This can create a bottleneck, as the parity disk can become a single point of congestion, leading to reduced write performance.
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