Re: FW: Setting up of PITR system.

On 3/29/06, Andy Shellam <andy.shellam@mailnetwork.co.uk> wrote:
> If pg_start_backup is used correctly, no data pages will be written to disk
> until pg_stop_backup is called, so this shouldn't be an issue - HOWEVER -
> check that you're excluding your pg_xlog directory (within your database
> directory) from the tar backup as these will be changing.
>


> Whatever archive utility you're using, if a file is being changed at the
> time of reading, it won't be archived correctly.

??????  What you are saying is not in sync with docs

>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
23.3.2. Making a Base Backup
The procedure for making a base backup is relatively simple:

3. Perform the backup, using any convenient file-system-backup tool
such as tar or cpio. It is neither necessary nor desirable to stop
normal operation of the database while you do this.
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
I used rsync like many others , it seems to work fine for me.

Regds
mallah.




>
> Andy
>
> -----Original Message-----
> From: pgsql-admin-owner@postgresql.org
> [mailto:pgsql-admin-owner@postgresql.org] On Behalf Of Rajesh Kumar Mallah
> Sent: Tuesday, 28 March, 2006 5:27 PM
> To: Tom Lane
> Cc: andy.shellam@mailnetwork.co.uk; pgsql-admin@postgresql.org
> Subject: Re: FW: [ADMIN] Setting up of PITR system.
>
> ---
>
> secondly , i was asking about the tool for copying the
> database directory not the one for archiving the logs.
> when i use tar , it gives warning that the file changed
> while it was reading the file, i need a tool that does not
> give warning for this kind of activity.
>
> ---
>
>
>