Re: VM-Ware Backup of VM safe?

> -----Ursprüngliche Nachricht-----
> Von: pgsql-general-owner(at)postgresql(dot)org [mailto:pgsql-general-
> owner(at)postgresql(dot)org] Im Auftrag von Thomas Güttler
> Gesendet: Mittwoch, 20. September 2017 10:03
> An: pgsql-general(at)postgresql(dot)org
> Betreff: [GENERAL] VM-Ware Backup of VM safe?
>
> We run a PostgreSQL 9.6 server in a virtual machine.
>
> The virtual machine is managed by the customer.
>
> He does backup the VM.
>
> Is this enough, is this safe?

When you run MS SQL Server on Hyper-V / Windows, the SQL Server provides ist own VSS writer responding to a taking a snapshot. This ensures that the image oft he SQL database is in a safe stake when the backup is written.

I am not sure about VM-Ware, but in any case I don't think that PostgreSQL provides anything similar to a VSS writer (neither on Windows nor on Linux), so the answer is most likely "no, it is not safe".

Regards, Klaus

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