Subject: Re: disks cache [was Re: test of new powerdown facility ]
To: Manuel Bouyer <>
From: Perry E. Metzger <>
List: tech-kern
Date: 06/11/1998 10:40:09
Manuel Bouyer writes:
> > Also, if you panic, you won't unmount the file systems, so you won't
> > get "last close".  So, you _ALSO_ want a shutdown hook that disables
> > the write cache at shutdown time (assuming that disabling the write
> > cache has the effect of flushing it).
> > 
> Well, I didn't see anything about this, but I hope it does.

That statement makes me nervous.

Do we, or don't we, know how to flush an IDE drive's cache?