Re: how to add a new data partition

No - As Tom Lane said: Why reinvent LVM?
-p


On Tue, 2007-02-06 at 16:09 -0800, Karthikeyan Sundaram wrote:
> Hi Scott,
>
>    Thanks for replying.  The tablespace is not the main problem here.  I
> want the data files to grow in the new partition along with the old linux
> partition.
>
>    Let me put like this.
>
>     We have a linux partition of 120GB called as
> /local/postgres/database/Data/< followed by all files>
>
>      This /local partition is 95 % used.
>
>      So we are adding one more partition called /local1 which is
> approximately 250 GB.  Now I want to inform postgres that after /local
> partiion is 100 %, I want to utilize the /local1 so that the database can
> grow significantly.  In other words, the data file created and maintained by
> postgres will grow in the /local1 partition.
>
>     How to do this in postgres?
>
>     I don't want to compare with Oracle.  But in Oracle, when we create the
> DB
>
>     we will tell alter database add data file
> '/local/postgres/database/data'
>     then if /local partition is full, we can add another data file  such as
>     alter database <db Name> add data file '/local1/data2'
>
>     Is there a similar way or equivalent way to do in postgres?
>
> Regards
> skarthi
>
>
>
> >From: Scott Marlowe <smarlowe@g2switchworks.com>
> >To: Karthikeyan Sundaram <skarthi98@hotmail.com>
> >CC: pgsql-admin@postgresql.org
> >Subject: Re: [ADMIN] how to add a new data partition
> >Date: Tue, 06 Feb 2007 17:17:15 -0600
> >
> >On Tue, 2007-02-06 at 15:46, Karthikeyan Sundaram wrote:
> > > 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.
> >
> >So,
> >
> >alter table ... set tablespace new_tablespace
> >
> >doesn't work for you in this circumstance?
> >
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