Re: Suggestions needed about how to dump/restore a database

Chris Hoover a écrit :
> One other option is to shut the database down competely, and then do a
> copy of the file system the new server. I have done this when I need
> to move a very large database to a new server. I can copy 500GB's in
> a couple of hours, where restoring my large databases backups would
> take 10+ hours. Just make sure you are keeping postgres at the same
> version level.
>
> HTH,
>
> Chris
>
> On 12/19/06, *Arnau* <arnaulist(at)andromeiberica(dot)com
> <mailto:arnaulist(at)andromeiberica(dot)com>> wrote:
>
> Hi all,
>
> I've got a DB in production that is bigger than 2GB that dumping it
> takes more than 12 hours. I have a new server to replace this old one
> where I have restore the DB's dump. The problem is I can't afford to
> have the server out of business for so long, so I need your advice
> about
> how you'd do this dump/restore. The big amount of data is placed
> in two
> tables (statistics data), so I was thinking in dump/restore all
> except
> this two tables and once the server is running again I'd dump/restore
> this data. The problem is I don't know how exactly do this.
>
> Any suggestion?
>
> Thanks
> --
> Arnau
>
>
> ---------------------------(end of
> broadcast)---------------------------
> TIP 9: In versions below 8.0, the planner will ignore your desire to
> choose an index scan if your joining column's datatypes do not
> match
>
>
How many tables have you got in your database ?

If you have only a few tables you can dump them one at a time

pgdump -t ....

Olivier