Re: A local replication entry

pg_basebackup -h $HOSTNAME -U replicant -D - -Ft -z -c fast -l hourly.backup > backup_file.gz

instead of –h 127.0.0.1?

Ok, the line now reads:

host       replication       postgres         127.0.0.1/32              trust

And I performed a "service postgresql-9.3 reload", and it still failed with the same error. Then, I tried again using a "-h 127.0.0.1" option for the pg_basebackup. That complained "pg_basebackup: could not connect to server: connection refused." So, I did a "netstat -an | grep 5432" and I see that postgresql is not listening on that port for 127.0.0.1.

I suspect there is a small modification is required in pg_hba.conf file ::

 

Remove the '#' and modify the line like :: 'host    replication    postgres    127.0.0.1/32  trust' 

 

I hope this will help you to resolve the issue

 

Thanks and Regards 

 

Ajinkya Bangale

www.shreeyansh.com

 

On Wed, Oct 29, 2014 at 6:48 PM, John Scalia <jayknowsunix@gmail.com> wrote:

I think maybe it's just too early in the morning for me, but I can't seem to get a local entry for replication working. I'm trying to create a script for hourly backups using pg_basebackup, and here's the command I'm using:

/usr/pgsql-9.3/bin/pg_basebackup -D - -Ft -z -c fast -l hourly.backup > backup_file.gz

The entry in the pg_hba.conf file is:

local    replication    postgres                            trust

And the error is: FATAL: no pg_hba.conf entry for replication connection from host "[local]", user "postgres", SSL off, but I have gotten this to work only if I use a "-h 10.10.1.129" option for the command. This only works since another entry in the pg_hba.conf satisfies the command.

Do I have an error with the local entry? Or are local entries even allowed for replication? As this has to be automatically deployed to various servers, I'd prefer to NOT specify each host's IP address both in pg_hba.conf file and in the script calling the pg_basebackup command. Oh, and at some point when this starts working, I am going to change the user from postgres to another without superuser capability.
--
Jay


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