Rychlost HDD

[Tom Hudec]

MS K7T Turbo (MS-6330), chipset VIA KT133A, Duron 850
2.4.18-ac3
hda: ST340016A, UDMA100, 7200rpm

/dev/hda:
  Timing buffer-cache reads:   128 MB in  0.91 seconds =140.66 MB/sec
  Timing buffered disk reads:  64 MB in  1.64 seconds = 39.02 MB/sec

hdb: IBM-DTLA-307030, UDMA100, 7200rpm

/dev/hdb:
  Timing buffer-cache reads:   128 MB in  0.88 seconds =145.45 MB/sec
  Timing buffered disk reads:  64 MB in  1.81 seconds = 35.36 MB/sec


Lubos Pinkava wrote:
> hda: ST340823A, ATA DISK drive, UDMA100, 5400rpm
> deska ECS K7S5A, chipset SIS735
> kernel 2.4.17
> nastaveni: hdparm -d1 -c3 -u1 /dev/hda
> 
> /dev/hda:
>  Timing buffer-cache reads:   128 MB in  1.01 seconds =126.73 MB/sec
>  Timing buffered disk reads:  64 MB in  3.19 seconds = 20.06 MB/sec
> 
> 
> Marek Przeczek wrote:
> 
> 
>>Petr Klíma wrote:
>>
>>
>>>Radovan Chupá? wrote:
>>>
>>>>Dobry den.
>>>>
>>>>Na nasi siti mame server provozovany na RH 7.2.
>>>>Nyni jsem provedl upgrade HDD a je v nem umisten WD 100GB 7200 UDMA100.
>>>>Jako zakladni deska je pouzito stare TOMATO TX 98 + AMD K6-2 300MHz +
>>>>256MB. Tato deska podporuje pouze UDMA33.
>>>>
>>>>Pri mereni rychlosti HDD pomoci prikazu hdparm -t /dev/hda5 jsem na
>>>>tomto disku dosahl hodnoty 8,1MB/sec. Disk je nastaven na UDMA33. Tato
>>>>hodnota se mi vsak zda ponekud nizka a na VIA strankach uvadeji dosazeni
>>>>rychlosti
>>>>okolo 20MB/sec s UDMA100. Proto se chci zeptat, zda je brzdou  pomaly
>>>>radic UDMA33 nebo kde jinde hledat slabiny systemu.
>>>>
>>>>Jake vysledky jste dosahli vy ?
>>>>
>>>Ja mam na Maxtoru 40GB nastavenem na UDMA100 35-40MB/s, na
>>>UDMA 33 asi 24MB/s. Takze problem je asi v nastaveni disku.
>>>Nebo jste testoval, kdyz byl zatizeny pocitac. Nebo...
>>>
>>>
>>ja mam klasicky udma33 disk i radic v notebooku => 7.6 az 8 mb/s
>>
>>marek

-- 
Tom Hudec <Tom(at)ABBA.cz>, editor of Tom's ABBA pages http://ABBA.cz/

   .''`.  The box said Windows, NT or better, so I installed Linux. :-)
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