[ILUG] Soft Raid performances

[REPVIK OYVIND]

> -----Original Message-----
> From: Matthew French [mailto:mfrench42 at yahoo.co.uk]
> Sent: Tuesday, March 26, 2002 12:13 PM
> To: Stephane Dudzinski; ilug at linux.ie
> Subject: Re: [ILUG] Soft Raid performances
> 
> 
> Stephen Dudzinski asked:
> > Going on this path makes me wonder : is there any parameter 
> to pass to
> > hdparm for /dev/md0 devices or shall it be applied to /dev/hda and
> > /dev/hdc ?
> 
> I thought hdparm was an IDE specific utility that modified IDE kernel
> parameters? Therefore it should be applied to hda/hdc.
> 
> Just a guess, though.
> 
> - Matthew

Your guess is correct though... using hdparm on /dev/md0 won't do anything
useful. Using it on the separate hdX-devices will (if done correctly)
probably give a higher performance.

It's not entirely IDE-specific though :)