Palle Girgensohn <girgen@pingpong.net> writes:
> Is the real reason for the negative answer that there is a "hole" in the
> pg_xlogs from 3 am - 9 am?
That's half of it. The other half is that what you have from 3am is a
pg_dump, not a filesystem-level snapshot of the database, and you'd need
the latter to be able to replay the WAL log against.
regards, tom lane
