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Average Seek vs. Average Read

zupadupa

Limp Gawd
Joined
Jul 15, 2003
Messages
217
I checked some manufacturer websites of hard drives and they list different things. Is average seek and average read the same thing or not? Thanks in advance.

Cheers!
 
Nope. Average seek time is the (average) time it takes to get things in the right position to start reading, and then average read is how quickly it returns answers once seeking is done.

 
from google:

(storage) average seek time - The mean time it takes to move the head of a disk drive from one track to another, averaged over the source and destination cylinders.

The average seek time gives a good measure of the speed of the drive in a multi-user environment where successive read/write request are largely uncorrelated.

Ten ms is common for a hard disk and 200 ms for an eight-speed CD-ROM.



average read time is the average in throughput across the disk. usually, a large file is read from the disk, and the resulting performance is indicative of the read speed of the drive.


like many things, read time is pretty relative to the test being performed. this is why standardized synthetic benchmarks are handy.

seek time is pretty easy to define (edge of platter to edge of platter, middle to edge, etc etc) and is very discrete
 
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