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Re: psql: FATAL: the database system is starting up - Mailing list pgsql-general

From Tom K
Subject Re: psql: FATAL: the database system is starting up
Date
Msg-id CAE3EmBDpYCQ6h8QJWRzO=FsBXH3mT2aRmmoGi+RKVpVKc6NsNQ@mail.gmail.com
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In response to Re: psql: FATAL: the database system is starting up  (Adrian Klaver <adrian.klaver@aklaver.com>)
Responses Re: psql: FATAL: the database system is starting up
Re: psql: FATAL: the database system is starting up
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On Sat, Jun 1, 2019 at 7:34 PM Adrian Klaver <adrian.klaver@aklaver.com> wrote:
On 6/1/19 4:22 PM, Tom K wrote:
>
>

>
> Looks like this crash was far more catastrophic then I thought.  By the
> looks of things, thinking on psql02 would be my best bet.
>

The more I look at it the more I think the replication was not doing
what you thought it was doing. That psql02 was the primary and that
psql01 and psql03 where out of sync and/or defunct standbys.

Now that I look at the files myself, that's the conclusion I was coming to myself.  Sample config:

[root@psql02 base]# cat /etc/patroni.yml
scope: postgres
namespace: /db/
name: postgresql1

restapi:
    listen: 192.168.0.124:8008
    connect_address: 192.168.0.124:8008

etcd:
    host: 192.168.0.124:2379

bootstrap:
    dcs:
        ttl: 30
        loop_wait: 10
        retry_timeout: 10
        maximum_lag_on_failover: 1048576
        postgresql:
            use_pg_rewind: true

    initdb:
    - encoding: UTF8
    - data-checksums

    pg_hba:
    - host replication replicator 127.0.0.1/32 md5
    - host replication replicator 192.168.0.108/0 md5
    - host replication replicator 192.168.0.124/0 md5
    - host replication replicator 192.168.0.118/0 md5
    - host all all 0.0.0.0/0 md5

    users:
        admin:
            password: admin
            options:
                - createrole
                - createdb

postgresql:
    listen: 192.168.0.124:5432
    bin_dir: /usr/pgsql-10/bin
    connect_address: 192.168.0.124:5432
    data_dir: /data/patroni
    pgpass: /tmp/pgpass
    unix_socket_directories: /data/patroni
    authentication:
        replication:
            username: replicator
            password: rep-pass
        superuser:
            username: postgres
            password: <SECRET>
    parameters:
        unix_socket_directories: '.'

tags:
    nofailover: false
    noloadbalance: false
    clonefrom: false
    nosync: false
[root@psql02 base]#

Or perhaps when the system crashed, the filesystem check simply moved the folders out due to corruption.  
 



--
Adrian Klaver
adrian.klaver@aklaver.com

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