What is the speed of the disk?

2.00. Rotational latency (sometimes called rotational delay or just latency) is the delay waiting for the rotation of the disk to bring the required disk sector under the read-write head. It depends on the rotational speed of a disk (or spindle motor), measured in revolutions per minute (RPM).

Simply so, what is meant by disk throughput?

Input/output operations per second or IOPS (IO/s), throughput (MB/s or MiB/s), and response time (ms) are the common performance measurements for storage devices, such disk drives or RAID sets. Response time is the time it takes for a storage device to process an input-output request.

What is disk latency?

Disk latency refers to the time delay between a request for data and the return of the data. It sounds like a simple thing, but this time can be critical to the performance of a system.

What is the seek time of a hard drive?

Seek Time is measured defines the amount of time it takes a hard drive's read/write head to find the physical location of a piece of data on the disk. Latency is the average time for the sector being accessed to rotate into position under a head, after a completed seek.

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