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
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