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)
359-1001+ If your life is a hard drive, | 13 Roberts Road + Christ can be your backup. | Newtown Square,
Pennsylvania19073
