[pgpool-general: 7365] Re: User "pgpool" does not have a valid SCRAM

[Luís Alves]

I'm doing the initial installation using Ansible.
I think the problem was that on the initial installation where node 0
(qs-auth-01.dc.internal) should be the primary I was executing:

pcp_recovery_node -w -h {{ delegate_virtual_ip }} -p 9898 -U pgpool -n 0

instead of

pcp_recovery_node -w -h {{ delegate_virtual_ip }} -p 9898 -U pgpool -n 1

because my node index calculation had a bug.
I'll check it out during this afternoon and I'll update the thread if the
problem persists.

Regards,
LA



On Thu, Dec 17, 2020 at 12:21 PM Tatsuo Ishii <ishii at sraoss.co.jp> wrote:

> > Now they are correct and it can connect. Nevertheless, I'm having
> > other issues. Here is the Backend Connection Settings
> >
> >
> > # - Backend Connection Settings -
> > backend_hostname0 = 'qs-auth-01.dc.internal'
> > backend_port0 = 5432
> > backend_weight0 = 1
> > backend_data_directory0 = '/export/pgsql/data'
> > backend_flag0 = 'ALLOW_TO_FAILOVER'
> > backend_application_name0 = 'qs-auth-01.dc.internal'
> > backend_hostname1 = 'qs-auth-02.dc. internal '
> > backend_port1 = 5432
> > backend_weight1 = 1
> > backend_data_directory1 = '/export/pgsql/data'
> > backend_flag1 = 'ALLOW_TO_FAILOVER'
> > backend_application_name1 = 'qs-auth-02.dc.internal'
> >
> >
> > node qs-auth-01.dc.internal should be the primary and has postgres
> running
> > there, but pgpool seems to ignore it.
> > node qs-auth-02.dc.internal is shutdown as I want to apply replication
> from
> > node 1.
> >
> > Here is the log:
> >
> > Dec 17 09:18:32 qs-auth-02 pgpool[20471]: [915-1] 2020-12-17 09:18:32:
> pid
> > 20471: ERROR:  failed to make persistent db connection
> > Dec 17 09:18:32 qs-auth-02 pgpool[20471]: [915-2] 2020-12-17 09:18:32:
> pid
> > 20471: DETAIL:  connection to host:"qs-auth-02.dc.internal:5432" failed
> > Dec 17 09:18:32 qs-auth-02 pgpool[20471]: [916-1] 2020-12-17 09:18:32:
> pid
> > 20471: LOG:  health check retrying on DB node: 1 (round:2)
> > Dec 17 09:18:33 qs-auth-02 pgpool[20471]: [917-1] 2020-12-17 09:18:33:
> pid
> > 20471: LOG:  failed to connect to PostgreSQL server on
> > "qs-auth-02.dc.internal:5432", getsockopt() detected error "Connection
> > refused"
> > Dec 17 09:18:33 qs-auth-02 pgpool[20471]: [918-1] 2020-12-17 09:18:33:
> pid
> > 20471: ERROR:  failed to make persistent db connection
> > Dec 17 09:18:33 qs-auth-02 pgpool[20471]: [918-2] 2020-12-17 09:18:33:
> pid
> > 20471: DETAIL:  connection to host:"qs-auth-02.dc.internal:5432" failed
> > Dec 17 09:18:33 qs-auth-02 pgpool[20471]: [919-1] 2020-12-17 09:18:33:
> pid
> > 20471: LOG:  health check retrying on DB node: 1 (round:3)
> > Dec 17 09:18:34 qs-auth-02 pgpool[20471]: [920-1] 2020-12-17 09:18:34:
> pid
> > 20471: LOG:  failed to connect to PostgreSQL server on
> > "qs-auth-02.dc.internal:5432", getsockopt() detected error "Connection
> > refused"
> >
> > I see nothing in the node qs-auth-01.dc.internal postgres logs. Is there
> > another place where pgpool looks to find postgres servers?
>
> Probably pgpool recognizes backend_hostname0 (qs-auth-01.dc.internal)
> as in "down" or "unused" status.  You can verify it by executing "show
> pool_nodes" from psql command connecting to pgpool.
>
> Best regards,
> --
> Tatsuo Ishii
> SRA OSS, Inc. Japan
> English: http://www.sraoss.co.jp/index_en.php
> Japanese:http://www.sraoss.co.jp
>
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