What does Seek Error Rate describe?

• A. Frequency of seek failures — may indicate head issues.
• B. Time to seek reading.
• C. Seek success rate.
• D. Error in data retrieval.

Answer: (A)

Seek Error Rate measures how often a drive’s seek operations fail as the head is moved to the requested track. This reflects mechanical or servo issues with the actuator, heads, or related components, because failures during seeking typically indicate physical problems that require retries or can lead to bigger failures if not addressed. It’s not about how long a seek takes (latency), nor about a simple “seek success” count, nor about errors in the data retrieved. A rising Seek Error Rate signals potential head or mechanical deterioration and should prompt health checks or drive replacement.