On Jan 27, 2007, at 10:45 AM, Ron Johnson wrote:
> Using slony or "piped pg_dump" requires that you have *double* the
> amount of disk space. Having a *very large* database and double
> capacity of SCSI disks (including storage controllers, shelves, etc,
> etc) is expensive, and might not be available.
Then one must decide which costs more: 20+ hours of downtime or some
disks and a computer...