Worried about my HD Tach performance...

[Gusty987]

I just ran the smaller of the two tests and here are my results. I have a Maxtor 160GB SATA drive. Are those scores bad for my PC (in sig)?

 

[Gusty987]

bump

 

[Gusty987]

Come on, some one take a look plz

 

[LED]

K..I looked and you're HD seems right on the mark along with others of the same (look in the HD Tach Library).
You could defrag and hope for a slight improvement.

PS... now quit bumping your thread so soon!

 

[JBT]

Thos scores look good besides the random access time. The little diagram on the left is showing MAX throughput for those piticular standards is BS anyways no hard drive maxes though burst rates out well maybe a bunch of SCSI's but even RAID 0 Raptors don't max out SATA150.

Again about the access time LED is right defrag and it should improve a bit. Other than that your right on the money.

 

[Accord99]

Defrag won't help as HD Tach doesn't care about fragmentation. Most likely, the HD has acoustic management enabled and set to the quiet option.

 

[LED]

Originally posted by: Accord99
Defrag won't help as HD Tach doesn't care about fragmentation. Most likely, the HD has acoustic management enabled and set to the quiet option.

That too is a probability, howerever, after defragging my Raptors in RAID0 on HD Tach2.61, it went from 8.8ms down to 8.6ms Random Access Time and the CPU Utilization went from 20.5% down to 19.5%...

 

[Accord99]

0.2ms is well within the noise range of HD Tach, whose measurements of the random access time can easily vary by 1ms simply by running the benchmark for the second time; or more if the OS has to service a HD request. However, the Maxtor HD in question should score around 13-14ms but it scores 20ms, which is exactly the behavior that is expected with acoustic management is set to quiet mode.

 

[Gusty987]

But my HD's average seek time is 9.3ms. Why am I getting 21.7ms?

 

[Accord99]

The rated seek time is 9.3ms, plus you have an average rotational latency of 4.2ms which combined gives the average random access time; in your case around 13-14ms. However, if acoustic management is activated and in quiet mode, seeks are slowed significantly in order to reduce the seek noises. Anything between 19-21ms for recent 7200rpm Maxtors are what you would expect. Setting acoustic management back to performance mode is relatively easy for PATA drives but I'm not so sure about SATA so you may want to check forums.storagereview.net for more info.