Levi Bard wrote:
>> Not sure what the "expected" value should be, but for sheer
>> comparison value here's the output from a quick benchmark of my
>> ATA-133 drive.
>>
>> /dev/hda:
>> Timing buffer-cache reads: 1012 MB in 2.00 seconds = 505.32 MB/sec
>> Timing buffered disk reads: 72 MB in 3.07 seconds = 23.43 MB/sec
>
>
> Thanks - what did you use to benchmark? And what kernel is that?
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Using hdparm:
# hdparm -t -T /dev/hda
Try "hdparm --help" for more options.
Here's a disk in an active raid5 array (note the slower buffer-cache reads):
/dev/hda:
Timing buffer-cache reads: 128 MB in 0.40 seconds =322.42 MB/sec
Timing buffered disk reads: 64 MB in 1.21 seconds = 52.76 MB/sec
- Ian C. Blenke <icblenke@nks.net>
Director of Service Delivery - Networked Knowledge Systems
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