Re: Automatic restore corruption problem - Mailing list pgsql-admin

From Guillaume Lelarge
Subject Re: Automatic restore corruption problem
Date
Msg-id CAECtzeXqo9PFFWq8FqXR9dnbpbhgzpszao+1wHjBJizZB=MnxQ@mail.gmail.com
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In response to Automatic restore corruption problem  (Matthieu Lejeune <matthieu.lejeune@exxoss.com>)
Responses Re: Automatic restore corruption problem
List pgsql-admin

Hi,

Le 10 juil. 2015 3:02 PM, "Matthieu Lejeune" <matthieu.lejeune@exxoss.com> a écrit :
>
> Hi all,
>
> I have a script for restoring a database every night to an other postgresql database
>
> root@p2prddnmdbc:~# cat /var/admin/script/restoredb.sh
> #/bin/bash
> /etc/init.d/postgresql stop
> mv /var/log/postgresql/postgresql-9.3-main.log /var/log/postgresql/postgresql-9.3-main.log.old
> cd /var/lib/postgresql/9.3/main
> psql --host=p2prddnmdbm --username=replicator postgres -c "SELECT pg_start_backup('sync');"
> rsync -av --delete root@10.10.11.1:/var/lib/postgresql/9.3/main/* /var/lib/postgresql/9.3/main/
> rm backup_label
> chown -R postgres:postgres *
> psql --host=p2prddnmdbm --username=replicator postgres -c "SELECT pg_stop_backup();"
> /etc/init.d/postgresql start
> chmod 777 /var/log/postgresql/postgresql-9.3-main.log
> psql -U postgres -c "ALTER USER xxxx WITH PASSWORD 'XXXX';"
> psql -U postgres xxxx -c "CREATE EXTENSION dblink;"
> root@p2prddnmdbc:~#
>
>
> But during the day when the user are using the new database we got error like this :
>
> 2015-06-25 16:20:58 CEST ERROR:  could not read block 257985 in file "base/16386/14064061.1": read only 0 of 8192 bytes
> 2015-06-22 15:21:11 CEST ERROR:  could not read block 256801 in file "base/16386/14064061.1": read only 0 of 8192 bytes
>
> I have check the : filesystem on the vm, on the HW SAN,...
>
> Any idea to fix this problem?

Sure. Don't remove the backup_label file, and add the recovery.conf file.

--
Guillaume

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