"Leon Mergen" <leon@solatis.com> writes:
> Now, I enter a 'vacuum verbose;' and wait for about a day (the
> database is 1TB in size) -- it completes, and I start the database
> again; it starts replaying the +- 1K WAL log files for a while, and
> after completion, I try to attempt to connect to the database and it
> *still* says it is not accepting commands to avoid wraparound data
> loss!
Where did these log files come from? You said nothing about a crash.
Perhaps you are not shutting down the standalone mode cleanly after
the vacuum?
regards, tom lane