RE: virtualized snapshots and PITR

As I was not aware of this command I searched for it and found this interesting blog.

https://blog.2ndquadrant.com/what-does-pg_start_backup-do/

Olivier

-----Message d'origine-----
De : Laurenz Albe [mailto:laurenz.albe@cybertec.at]
Envoyé : jeudi 14 décembre 2017 09:19
À : PropAAS DBA; pgsql-admin
Objet : Re: virtualized snapshots and PITR

PropAAS DBA wrote:
> we have a client using veeam to do vmware snapshots of the db servers,
> unfortunately as far as I can tell any restore of a veeam snapshot
> also restores the state, which means the db gets restored in an online state.
> As far as I know, once the db is online we cannot force it back into
> recovery mode to do a PITR recovery, correct?
>
> Anyone know of a way to do PITR recoveries with veeam?

It is fairly simple.

Before the snapshot, run

   SELECT pg_start_backup('label of your choice', TRUE);

After the snapshot, run

   SELECT pg_stop_backup();

Yours,
Laurenz Albe


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