On 3/27/07, Bill Stouder-Studenmund <wrstuden@netbsd.org> wrote:
> Also, if caching is turned on on a disk and we don't have something akin
> to FUA (Force Unit Access) (or if we assert FUA and the device lies to us
> about completion), then we can have a huge safety issue; we depend on
> being able to know that the journal write has finished before moving on.

What devices lie about this? Is there some info I can read somewhere
about this problem?

I turn off IDE disk write caching on all my disks at boot time, and I
was hoping that would help me. I've been bitten hard by write caching
before.

Andy