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And there was hdparm…

Monday 28 February 2005 om 19u41

First of all, for people who don’t know what hdparm is, I recommend reading the manpages hdparm(8) about it. You could also do some googling and/or read this article about it. I tried it out on my freshly configged Ubuntu box and here are the results (and how I achieved them).

To do some benchmarking hdparm comes with the very usefull -T and -t flags, for benchmarking (see manpage for details)

So… I did a test on my system as it was before fiddling around with it (which means: the system Ubuntu offered me). Here are the results…

hdparm -i /dev/hda /dev/hdc /dev/hdd


/dev/hda:
multcount = 0 (off)
IO_support = 0 (default 16-bit)
unmaskirq = 0 (off)
using_dma = 1 (on)
keepsettings = 0 (off)
readonly = 0 (off)
readahead = 256 (on)
geometry = 65535/16/63, sectors = 40020664320, start = 0

/dev/hdd:
multcount = 0 (off)
IO_support = 0 (default 16-bit)
unmaskirq = 0 (off)
using_dma = 1 (on)
keepsettings = 0 (off)
readonly = 0 (off)
readahead = 256 (on)
geometry = 65535/16/63, sectors = 60040544256, start =


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