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Re: piixide write speed very slow - solved

On Thu, Dec 10, 2009 at 11:48:42AM -0500, Thor Lancelot Simon wrote:
> > Turns out that this was simply down to the write-cache being disabled  
> > (OpenBSD explicitly forces the write-cache on). _Why_ the write-cache is  
> > disabled is less clear.
> Careful.  Modern IDE or ATA drives alsmost always ship with the write cache
> on.  Some turn it off when an excessive bad block rate or other error is
> detected.  I wouldn't blithely turn it on if I found it off.

All the SATA hard-disks which come with HP Proliant ML110 G4s have
the write-cache turned off as well for no obvious reason.

I'm using one of those disk with the write-cache turned on 24/7 for
month now without any problems.

        Kind regards

Matthias Scheler                        

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