Re: Problem with streaming replication, backups, and recovery (9.0.x)

On Tue, Mar 29, 2011 at 11:20:48AM +0900, Fujii Masao wrote:
> On Tue, Mar 29, 2011 at 12:11 AM, hubert depesz lubaczewski
> <depesz@depesz.com> wrote:
> > On Mon, Mar 28, 2011 at 01:48:13PM +0900, Fujii Masao wrote:
> >> In 9.0, recovery doesn't read a backup history file. That FATAL error happens
> >> if recovery ends before it reads the WAL record which was generated by
> >> pg_stop_backup(). IOW, recovery gets the recovery ending location from WAL
> >> record not backup history file. Since you didn't run pg_stop_backup() and there
> >> is no WAL record containing the recovery ending location, you got that error.
> >>
> >> If you want to take hot backup from the standby, you need to do the procedure
> >> explained in
> >> http://wiki.postgresql.org/wiki/Incrementally_Updated_Backups
> >
> > one more question. how come that I can use this backup to make
> > standalone pg, and it starts without any problem, but when I start it as
> > sr slave, let it run for some time, and then promote to standalone, it
> > breaks?
> 
> Did you use recovery.conf to start standalone PostgreSQL? If not,
> recovery doesn't check whether it reaches the recovery ending position
> or not. So I guess no problem didn't happen.

no, i don't use.

hmm .. i am nearly 100% certain that previous pgs did in fact check if the end
of recovery is reached.

Best regards,

depesz

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