Re: Base Backups from PITR Standby

On 29-Oct-07, at 11:06 PM, Tom Lane wrote:

> Brian Wipf <brian(at)clickspace(dot)com> writes:
>> The process I use that leads to the warnings is simple:
>
>> I use pg_controldata to determine the current checkpoint WAL location
>> of the standby server. I ensure I have this WAL file and all newer
>> WALs. I backup all files under the standby's database cluster
>> directory, including all tablespaces, which are soft linked. I
>> restore
>> the database cluster directory to its new location and create soft
>> links in pg_tblspc to point to the proper tablespace directories just
>> backed up. I create the pg_xlog directory containing an
>> archive_status
>> directory.
>
> This seems not exactly per spec. Why are you not using
> pg_start_backup
> and pg_stop_backup around the copying of the database files?

I'm trying to take a base backup from the standby server in archive
recovery mode. I don't believe it's possible to connect to it to issue
pg_start_backup/pg_stop_backup.

http://www.postgresql.org/docs/current/interactive/warm-standby.html#BACKUP-INCREMENTAL-UPDATED