On Tue, Feb 27, 2007 at 15:35:13 +1030, Shane Ambler <pgsql@xxxxxxxxxx> wrote: > > From all that I have heard this is another advantage of SCSI disks - > they honor these settings as you would expect - many IDE/SATA disks > often say "sure I'll disable the cache" but continue to use it or don't > retain the setting after restart. It is easy enough to tests if your disk lie about disabling the cache. I doubt that it is all that common for modern disks to do that.