> > >Adam Witney wrote:
> [snip]
> > If you would go with that one, make sure to get the optional BBWC
> > (Battery Backed Write Cache). Without it the controller
> won't enable
> > the write-back cache (which it really shouldn't, since it
> wouldn't be
> > safe without the batteries). WB cache can really speed things on in
> > many db situations - it's sort of like "speed of fsync off,
> security
> > of fsync on". I've seen huge speedups with both postgresql
> and other
> > databases on that.
>
> Don't forget to check the batteries!!! And if you have an
> HPaq service contract, don't rely on them to do it...
That's what management software is for.. :-) (Yes, it does check the
batteries. They are also reported on reboot, but you don't want to do
that often, of course)
Under the service contract, HP will *replace* the batteries for free,
though - but you have to know when to replace them.
//Magnus