Re: hdparm and hd performance
On Tue, 31 Oct 2000 06:36:23 -0500 (EST), Anthony Fox said:
> Hello,
>
> I have two IBM 75GXP 15.3G harddrives. The IBM website states that this
> particular drive can sustain data transfer rates of 37MB/sec. I am
> attempting to use hdparm to check my harddrive performance. I get the
> following values:
>
> Timing buffered disk reads: 64 MB in 21.64 seconds = 2.96 MB/sec
> Timing buffer-cache reads: 128 MB in 1.09 seconds =117.43 MB/sec
>
> I am fairly certain that I am using ATA/66 as that is what my BIOS tells
> me.
>
> So, my question is: am I missing something completely obvious or are these
> performance values way below the stated specs?
>
These are typical values without dma enabled. Set dma on with
hdparm and i get an avg of 16-18 MB/sec with a Maxtor ata33.
--
gEEk||dOOd^Deb+iaN&&XFce$aaZZ goes<Pronto>(-_-)
Reply to: