Re: backup script error with could not connect to database

Dear team,

Do onething ident authentication problem to overcome on create .pgpass file
and what username and password, port number and dbname put it on .pgpass
file. Now you never ever getting this error.

On Thu, Dec 19, 2019, 12:25 AM Pepe TD Vo <pepevo(at)yahoo(dot)com> wrote:

> hello expert,
>
> I had to do a backup on replication master-slave servers. I also have
> asked this question before, but I don't understand why I followed the
> information and same scripting to run on the replication servers and didn't
> work. I can run pg_dumpall successful but not with the script. Would you
> please tell me what's wrong and what need to correct the error?
>
> my replication server (master) pg_hba.conf
>
> # "local" is for Unix domain socket connections only
> local all all peer
> host all all 192.168.2.0/24 trust
> # IPv4 local connections:
> host all all 127.0.0.1/32 indent
> local all postgres trust
> host all power_user 0.0.0.0/0 md5
> host all other_user 0.0.0.0/0 md5
> host all storageLoader 0.0.0.0/0 md5
> # IPv6 local connections:
> host all all ::1/128 indent
> #allow replication connections from localhost, by a user with the
> replication priviledge
> local replication all trust
> host replication all 127.0.0.1/32 trust
> host replicaiton all ::1/128 trust
> host replication replicauser masterIP/32 trust
> host replicaiton replicauser slaveIP/32 trust
>
> from the postgres prompt I can connect to each database
>
> #psql -d template0 -U postgres
> template0-#
> #psql -d template1 -U postgres
> template1-#
>
> #psql -d pscidr -U postgres
> pscidr-#
> #psql -d postgres -U postgres
> postgres-#
>
>
> when I run the script as postgres os, I don't see the error but the only
> global.sql backup but nothing in it, 0 byte (blank) sql script.
>
> when I run as root su -c postgres /path/pg_backup.sh > pgbackup.log, I get
> below:
>
> Performing globals backup:
> Globals backup
> pg_dumpall: could not connect to database "template1":FATAL: Ident
> authentication failed for user "postgres" fro globals backup.
>
> Performing schema-only backup:
> psql:FATAL: Ident authentication failed for user "postgres"
> the following databases were matched for schema-only backup:
>
> performing full backup:
> psql:FATAL: Ident authentication failed for user "postgres"
>
>
> I can run pg_dumpall > postgresdump.sql as postgres user os fine will all
> the databases backup
>
> pg_backup.sh and pg_backup.config attachment.
>
> v/r,
>
>
>
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>
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>