On Wed, Feb 28, 2007 at 05:21:41 +1030,
Shane Ambler <pgsql@Sheeky.Biz> wrote:
>
> The difference between SCSI and IDE/SATA in this case is a lot if not
> all IDE/SATA drives tell you that the cache is disabled when you ask it
> to but they either don't actually disable it or they don't retain the
> setting so you get caught later. SCSI disks can be trusted when you set
> this option.
I have some Western Digital Caviars and they don't lie about disabling
write caching.