Re: HD Speed.

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Alexandre Strube wrote:
Em Dom, 2004-02-22 às 07:15, Dean Mumby escreveu:


hdparm -tT /dev/sda
/dev/sda:
SCSI^
Timing buffer-cache reads:   3568 MB in  2.00 seconds = 1784.00 MB/sec
Timing buffered disk reads:  166 MB in  3.00 seconds =  55.33 MB/sec
not slow at all


Now I'm confused. My machine (a athlon xp 1700, 384mb ddr) shows very
disappointing results, compared to your blazing-speed p4:

/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


--
 Bob Marcan                     mailto:bob.marcan@xxxxxxxxxxxxxx
 Aster^H^H...HermesPlus^H^H^H...S&T
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