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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.
Matthias Scheler http://zhadum.org.uk/
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