Brett Lymn wrote:
> 
> According to Jonathan Stone:
> >
> >My primary concern is wethher or not the vendor OSes force dirty data
> >in the NVRAM to disk when they shutdown or reboot or panic. If they
> >don't, there's a potential for inconsisency and dataloss for any
> >reboot that ends up changing the OS -- possibly accidentally.
> >
> 
> >From what I know of Sun's offering of prestoserve, the cache is not
> flushed automatically when the machine goes down.  

In the Hardware Options ARC review at Sun I participated in about
PrestoServe this was made clear-the advisory made was that you should
*not* use PrestoServe on your boot volume, or any other volume that
you might swap out (since the actual bits on disk would in fact be
stale).