Buying hard drives
Saul Thurrowgood
saul at cvs.anu.edu.au
Wed Aug 22 10:06:25 EST 2001
Recently purchased Athlon 1333, 128M DDR.
30GB Western Digital 7200RPM ATA100 (BB):
root at boom:~# hdparm -Tt /dev/hda
/dev/hda:
Timing buffer-cache reads: 128 MB in 0.58 seconds =220.69 MB/sec
Timing buffered disk reads: 64 MB in 1.99 seconds = 32.16 MB/sec
Simon Haddon wrote:
> The specs are WDC WD200BB-00AUA1, ATA DISK drive
>
> [root at calippo /root]# hdparm -Tt /dev/hdc
>
> /dev/hdc:
> Timing buffer-cache reads: 128 MB in 2.64 seconds = 48.48 MB/sec
> Timing buffered disk reads: 64 MB in 6.01 seconds = 10.65 MB/sec
>
Damien Elmes wrote:
> well, on that note, i'd be interested in people posting a benchmark of
> their drives. this is my ata100/7200RPM baracuda III, after a few runs
> the numbers start to settle down:
>
> reflex$ sudo hdparm -Tt /dev/hda
>
> /dev/hda:
> Timing buffer-cache reads: 128 MB in 0.78 seconds =164.10 MB/sec
> Timing buffered disk reads: 64 MB in 1.85 seconds = 34.59 MB/sec
>
> i've got a 5400RPM, ATA100 40 gig IBM drive in another box, and its
> scores are quite similar:
>
> respite$ sudo hdparm -Tt /dev/hda
>
> /dev/hda:
> Timing buffer-cache reads: 128 MB in 0.91 seconds =140.66 MB/sec
> Timing buffered disk reads: 64 MB in 2.29 seconds = 27.95 MB/sec
>
> (note that it's running at ATA66).
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