Re: Upgrading my BSDI box, again

Andrew Sullivan wrote:
> On Wed, Jul 30, 2003 at 12:38:54AM -0400, Bruce Momjian wrote:
> > Guys, I just replied to this email on the BSDi email list.  The issue is
> > that someone found that some(most?) IDE drives have write cache enabled,
> > though the drives do not preserve the write cache data on power failure.
> 
> It's yet worse than this.  Some IDE drives will respond to the
> command to turn off write cacheing, but they _don't actually turn it
> off_.  In other words, you think you've done the right thing, and you
> haven't anyway.

Is there an interface to control this with IDE drives? I know there is
scsicmd for SCSI, but I didn't think IDE had any similar interface to
control the drive.

--  Bruce Momjian                        |  http://candle.pha.pa.us pgman@candle.pha.pa.us               |  (610)
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