> > I wonder if UFS has better performance or not. Or can you suggest
> > another fs? Just of the PGDATA directory.
>
>
> Relying on physically moving a disk isn't a good backup/recovery
> strategy. Disks are the least reliable single component in a modern
> computer. You should figure out the best file system for your
> application, and separately figure out a recovery strategy, one that
> can survive the failure of *any* component in your system, including
> the disk itself.
This is why I use a RAID array of 10 disks. So there is no single point
of failure. What else could I do? (Yes, I can make regular backups, but
that is not the same. I can still loose data...)