Re: how to add a new data partition

AFAIK, Postgres doesn't support anything like this, apart from
table-spaces which you've already indicated aren't appropriate.

Perhaps a LVM group would be appropriate in this situation if you have
the luxury of being able to implement that somehow...

Cheers,
-p

On Tue, 2007-02-06 at 13:55 -0800, Karthikeyan Sundaram wrote:
> Hi Philip,
>
> Thanks for the reply. Our DB grows very fast. Hence I don't want to
> move the exisisting data dir. If I move my data file to the new partition,
> I will face the same issue in another month instead of week.
>
> My requirement is to keep the old data directory along with the new
> partition.
>
> In Oracle, we can tell the alter database add data file '/new partition'
> so the the new partition will take into effect along with the old one.
>
> Is there a similar way in postgres?
>
>
> Regards
> skarthi
>
>
> >From: "Phillip Smith" <phillip(dot)smith(at)weatherbeeta(dot)com(dot)au>
> >To: "'Karthikeyan Sundaram'"
> ><skarthi98(at)hotmail(dot)com>,<pgsql-admin(at)postgresql(dot)org>
> >Subject: Re: [ADMIN] how to add a new data partition
> >Date: Wed, 7 Feb 2007 08:52:06 +1100
> >
> >One option if you can have the DB offline for a little while:
> >
> >1) Shutdown Postgres
> >2) Move your current data directory to the new partition
> >3) Update your PGDATA variable, and any scripts that reference it to
> >reflect
> >the new data path. You might also like to symlink the old data dir to the
> >new one.
> >4) Restart Postgres. pg_ctl -D /new/path/to/data start
> >
> >That's worked for me several time before.
> >
> >Cheers,
> >-p
> >
> >-----Original Message-----
> >From: pgsql-admin-owner(at)postgresql(dot)org
> >[mailto:pgsql-admin-owner(at)postgresql(dot)org] On Behalf Of Karthikeyan Sundaram
> >Sent: Wednesday, 7 February 2007 08:46
> >To: pgsql-admin(at)postgresql(dot)org
> >Subject: [ADMIN] how to add a new data partition
> >
> >Hi all,
> >
> > We are using postgres 8.0.1 on our production and 8.2 on our
> >development.
> >
> >The linuix partition is getting full where the database resides. In few
> >weeks our partition will ran out of space so the database will also run out
> >of space. We have added another HDD of 300GB. Now my question is, how will
> >I point the database to the new partition along with the old one. Do I need
> >to create a symbolic link to the exitisting DB?
> >
> > Adding a new tablespace doesn't solve the issue as there are many
> >tables
> >in the old tablespace. Is there a way to extend the tablespace to the new
> >partition like in Oracle.
> >
> > Did anybody faced this problem and how did you resolve. Please share
> >your
> >
> >thoughts.
> >
> >
> >Regards
> >skarthi
> >
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