Le 2013-06-07 à 07:00, François Beausoleil a écrit :

> 
> Le 2013-06-06 à 18:40, Michael Paquier a écrit :
> 
>> On Fri, Jun 7, 2013 at 1:37 AM, François Beausoleil <franc...@teksol.info> 
>> wrote:
>> I can't seem to promote the slave:
>> 
>> $ sudo -u postgres touch /var/lib/postgresql/9.1/main/recovery.done
>> # log is silent
>> This has no effect. recovery.conf is renamed to recovery.done internally by 
>> the server. If recovery.done is present in data folder with recovery.conf at 
>> the moment of promotion, recovery.done is removed before file renaming. What 
>> you can do to use a trigger file for promotion is setting up trigger_file in 
>> recovery.conf, then promotion will be kicked once file has been created.
> 
> I believe I know what my mistake is: I set trigger_file to 
> /var/lib/postgresql/9.1/main/recovery.done -- and PostgreSQL doesn't seem to 
> like that name. I should set to another name and retry.
> 
> It's still strange that pg_ctl promote didn't work though. Maybe because 
> recovery.done existed at the time I tried.
> 
> I'll try again today, with better names.

Okay, here's my new recovery.conf:

standby_mode = on
restore_command = '/usr/local/omnipitr/bin/omnipitr-restore -D 
/var/lib/postgresql/9.1/main/ --source 
gzip=/var/backups/seevibes/wal/dbanalytics.production/ --remove-unneeded 
--temp-dir /var/tmp/omnipitr -l /var/log/omnipitr/restore.log 
--error-pgcontroldata hang --pgcontroldata-path 
/usr/lib/postgresql/9.1/bin/pg_controldata "%f" "%p"'
trigger_file = '/var/lib/postgresql/9.1/main/trigger-promotion'
archive_cleanup_command = '/usr/local/omnipitr/bin/omnipitr-cleanup --log 
/var/log/omnipitr/cleanup.log --archive 
gzip=/var/backups/seevibes/wal/dbanalytics.production "%r"'

Notice trigger_file has a better name. I touch the file using:

sudo -u postgres touch /var/lib/postgresql/9.1/main/trigger-promotion

and nothing happens: no messages appear in the log, PostgreSQL continues to 
apply WAL records.

I've just retried pg_ctl promote, and that too didn't do anything. I'm really 
at a loss to explain what happens.

Bye,
François

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