HD Speed.

Alexandre Strube surak at casa.surak.eti.br
Tue Feb 24 11:41:51 UTC 2004


Em Ter, 2004-02-24 às 05:32, Bob Marcan escreveu:

> > /dev/hda:
>        IDE^
> >  Timing buffer-cache reads:   904 MB in  2.00 seconds = 452.00 MB/sec
> >  Timing buffered disk reads:   80 MB in  3.06 seconds =  26.14 MB/sec
> > Is this expected for such machine, or is there something to be done?

> RH9, P4 2.0 GHz, 1 GB, Intel D854GBV mobo
> IDE interface: Intel Corp. 82801DB ICH4 IDE (rev 1).
> WDC WD800JB-00CRA1, 80GB, 7200 rpm, 8MB cache
>          DMA: mdma0 mdma1 mdma2 udma0 udma1 udma2 udma3 udma4 *udma5 
> /dev/hda:
>   Timing buffer-cache reads:   128 MB in  0.41 seconds =312.20 MB/sec
>   Timing buffered disk reads:  64 MB in  2.24 seconds = 28.57 MB/sec
> [encijan ~]$ sudo hdparm -Tt /dev/hde
> Unknown mass storage controller: Promise Technology, Inc. 20269 (rev 2).
> WDC WD800JB-00CRA1, 80GB, 7200 rpm, 8MB cache
>          DMA: mdma0 mdma1 mdma2 udma0 udma1 udma2 udma3 udma4 *udma5 
> /dev/hde:
>   Timing buffer-cache reads:   128 MB in  0.42 seconds =304.76 MB/sec
>   Timing buffered disk reads:  64 MB in  1.39 seconds = 46.04 MB/sec

So you're saying that this speed is expected for a IDE hd, thanks. I
just didn't understand what kind of controller is behind your /dev/hde

-- 
[]s

Alexandre Ganso 
500 FOUR vermelha - Diretor Steel Goose Moto Group





More information about the fedora-list mailing list