Re: hdparm et mesure udma66

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Author: Rami Aubourg
Date:  
To: Mailing-List GUILDE
Subject: Re: hdparm et mesure udma66
Bonjour,

Je n'arrive plus a trouver le thread, mais il me semble qu'il y a
quelque temps, quelqu'un cherchait des stats sur les mesures de vitesse
des disques.

Chez moi:

/dev/hdc= Western Digital WDC205BA
/dev/hdd= Maxtor 5T020H2

Je suis plutot content de ma WD IDE: meme les meilleurs disques scsi
actuels arrivent a 55 Mo/s en debut de piste et 35 Mo/s en fin de piste
:-).


/dev/hdc:
Timing buffer-cache reads: 128 MB in 1.27 seconds =100.79 MB/sec
Timing buffered disk reads: 64 MB in 1.79 seconds = 35.75 MB/sec

/dev/hdc:
Timing buffer-cache reads: 128 MB in 1.28 seconds =100.00 MB/sec
Timing buffered disk reads: 64 MB in 1.77 seconds = 36.16 MB/sec

/dev/hdc:
Timing buffer-cache reads: 128 MB in 1.28 seconds =100.00 MB/sec
Timing buffered disk reads: 64 MB in 1.78 seconds = 35.96 MB/sec

/dev/hdc:
Timing buffer-cache reads: 128 MB in 1.37 seconds = 93.43 MB/sec
Timing buffered disk reads: 64 MB in 5.29 seconds = 12.10 MB/sec

/dev/hdc:
Timing buffer-cache reads: 128 MB in 1.27 seconds =100.79 MB/sec
Timing buffered disk reads: 64 MB in 2.11 seconds = 30.33 MB/sec

/dev/hdc:
Timing buffer-cache reads: 128 MB in 1.26 seconds =101.59 MB/sec
Timing buffered disk reads: 64 MB in 1.84 seconds = 34.78 MB/sec

/dev/hdc:
Timing buffer-cache reads: 128 MB in 1.27 seconds =100.79 MB/sec
Timing buffered disk reads: 64 MB in 1.82 seconds = 35.16 MB/sec

/dev/hdc:
Timing buffer-cache reads: 128 MB in 1.27 seconds =100.79 MB/sec
Timing buffered disk reads: 64 MB in 1.84 seconds = 34.78 MB/sec

/dev/hdc:
Timing buffer-cache reads: 128 MB in 1.27 seconds =100.79 MB/sec
Timing buffered disk reads: 64 MB in 1.83 seconds = 34.97 MB/sec

/dev/hdc:
Timing buffer-cache reads: 128 MB in 1.26 seconds =101.59 MB/sec
Timing buffered disk reads: 64 MB in 1.78 seconds = 35.96 MB/sec

/dev/hdd:
Timing buffer-cache reads: 128 MB in 1.27 seconds =100.79 MB/sec
Timing buffered disk reads: 64 MB in 2.73 seconds = 23.44 MB/sec

/dev/hdd:
Timing buffer-cache reads: 128 MB in 1.27 seconds =100.79 MB/sec
Timing buffered disk reads: 64 MB in 2.73 seconds = 23.44 MB/sec

/dev/hdd:
Timing buffer-cache reads: 128 MB in 1.30 seconds = 98.46 MB/sec
Timing buffered disk reads: 64 MB in 2.82 seconds = 22.70 MB/sec

/dev/hdd:
Timing buffer-cache reads: 128 MB in 1.30 seconds = 98.46 MB/sec
Timing buffered disk reads: 64 MB in 2.76 seconds = 23.19 MB/sec

/dev/hdd:
Timing buffer-cache reads: 128 MB in 1.30 seconds = 98.46 MB/sec
Timing buffered disk reads: 64 MB in 2.79 seconds = 22.94 MB/sec

/dev/hdd:
Timing buffer-cache reads: 128 MB in 1.27 seconds =100.79 MB/sec
Timing buffered disk reads: 64 MB in 2.69 seconds = 23.79 MB/sec

/dev/hdd:
Timing buffer-cache reads: 128 MB in 1.27 seconds =100.79 MB/sec
Timing buffered disk reads: 64 MB in 2.80 seconds = 22.86 MB/sec

/dev/hdd:
Timing buffer-cache reads: 128 MB in 1.27 seconds =100.79 MB/sec
Timing buffered disk reads: 64 MB in 2.76 seconds = 23.19 MB/sec

/dev/hdd:
Timing buffer-cache reads: 128 MB in 1.26 seconds =101.59 MB/sec
Timing buffered disk reads: 64 MB in 2.75 seconds = 23.27 MB/sec

/dev/hdd:
Timing buffer-cache reads: 128 MB in 1.27 seconds =100.79 MB/sec
Timing buffered disk reads: 64 MB in 2.73 seconds = 23.44 MB/sec