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Home > Archive > PostgreSQL Administration > December 2005 > 0 % Data lost
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| Ing. Jhon Carrillo // Caracas, Venezuela 2005-12-14, 11:24 am |
| Hi all,
I need to use PITR for to do backup in a critical enviroment, but this
configuration save the segment files in the backup directory only when the
segment file (in pg_xlog) is full, żIs there any way to configure the WAL
like a real online backup?
In my enviroment is necesary the 0% data lost, any idea?.
regards,
--
Jhon Carrillo
IT Senior Engineer
Caracas-Venezuela
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| Jim C. Nasby 2005-12-15, 8:25 pm |
| The only way to get 0% data loss is some form of syncronous replication,
which is rather difficult to implement, especially across a WAN.
There is pgCluster and pgpool, both of which do syncronous replication,
but it's also statement based which has some serious rammifications.
On Wed, Dec 14, 2005 at 12:11:07PM -0400, Ing. Jhon Carrillo // Caracas, Venezuela wrote:
> Hi all,
>
> I need to use PITR for to do backup in a critical enviroment, but this
> configuration save the segment files in the backup directory only when the
> segment file (in pg_xlog) is full, ?Is there any way to configure the WAL
> like a real online backup?
>
>
> In my enviroment is necesary the 0% data lost, any idea?.
>
> regards,
>
> --
> Jhon Carrillo
> IT Senior Engineer
> Caracas-Venezuela
--
Jim C. Nasby, Sr. Engineering Consultant jnasby@pervasive.com
Pervasive Software http://pervasive.com work: 512-231-6117
vcard: http://jim.nasby.net/pervasive.vcf cell: 512-569-9461
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