Re: Problem with streaming replication, backups, and recovery (9.0.x)
Fujii Masao <masao.fujii@gmail.com>
From: Fujii Masao <masao.fujii@gmail.com>
To: depesz@depesz.com
Cc: pgsql-hackers@postgresql.org
Date: 2011-03-29T02:20:48Z
Lists: pgsql-hackers
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. Regards, -- Fujii Masao NIPPON TELEGRAPH AND TELEPHONE CORPORATION NTT Open Source Software Center