Re: Recover PostgreSQL database folder data

On 04/21/2017 09:40 AM, Edson Lidorio wrote:
> Hi,
> There was a disaster in my development note. I was able to recover the
> data folder. PostgreSQL 9.6.2, was installed in Centos 7.
>
> Here are the procedures I'm trying to initialize Postgresql for me to do
> a backup.
>
> 1- I installed PostgreSQL 9.6.2 on a VM with Centos 7.
> 2- I stopped the PostgreSQL service: sudo systemctl stop postgresql-9.6
> 3- I renamed the /var/lib/pgsql/9.6/data folder to date data_old and
> copied the old date folder
> 4- I gave permission in the folder date:
> sudo chown postgres: postgres /var/lib/pgsql/9.6/data;
> sudo chmod 700 /var/lib/pgsql/9.6/data
> 5 - I tried to start the service: sudo systemctl start postgresql-9.6
> It is generating the following errors:
>
> Abr 21 01:25:35 localhost.localdomain systemd[1]: Starting PostgreSQL
> 9.6 database server...
> Abr 21 01:25:36 localhost.localdomain postgresql96-check-db-dir[19996]:
> cat: /var/lib/pgsql/9.6/data//PG_VER…ada
> Abr 21 01:25:36 localhost.localdomain postgresql96-check-db-dir[19996]:
> cat: /var/lib/pgsql/9.6/data//PG_VER…ada
> Abr 21 01:25:36 localhost.localdomain systemd[1]:
> postgresql-9.6.service: control process exited, code=ex...us=1
> Abr 21 01:25:36 localhost.localdomain systemd[1]: Failed to start
> PostgreSQL 9.6 database server.
> Abr 21 01:25:36 localhost.localdomain systemd[1]: Unit
> postgresql-9.6.service entered failed state.
> Abr 21 01:25:36 localhost.localdomain systemd[1]: postgresql-9.6.service
> failed.
> Hint: Some lines were ellipsized, use -l to show in full.

What do you see if you do the above, add -l to the systemctl command?

What does the system log show?

>
>
>

--
Adrian Klaver
adrian(dot)klaver(at)aklaver(dot)com