Re: Migrate postgres to newer hardware

> -----Original Message-----
> From: Renato Oliveira <renato.oliveira@grant.co.uk>
> To: pgsql-admin@postgresql.org <pgsql-admin@postgresql.org>
> Subject: [ADMIN] Migrate postgres to newer hardware
> Date: Tue, 30 Mar 2010 12:18:36 +0100
>
> Dear All,
>
>
>
> What would be the easiest and fastest way to migrate Postgres 8.2.24 32 BIT
> to a new server 64 Bit.
>
>
>
> The existing server runs on 32 bit architecture and has a database as big as
> 160GB.
>
>
>
> We initially thought of using PITR, but as one of the PITR requirements is
> both machines need to be similar.
>
> This similarity needs to be even in architecture? I think I read something
> which says “Yes”.
>
>
>
> If we cannot use PITR what would be the best approach, we can’t have down
> time I am afraid.
>
>
>
> Any ideas or suggestions would be very welcome.
>
>
>
> Thank you very much
>
>
>
> Best regards
>
>
>
> Renato
>
>
>
>
>
>
>   Renato Oliveira
> Systems Administrator
> e-mail: renato.oliveira@grant.co.uk   Tel: +44 (0)1763 260811
> Fax: +44 (0)1763 262410
> www.grant.co.uk   Grant Instruments (Cambridge) Ltd
>
> Company registered in England, registration number 658133
>
> Registered office address:
> 29 Station Road,
> Shepreth,
> CAMBS SG8 6GB
> UK
>
>
>
>
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You can use the pg_dump method and use pgpool to replicate the new
data, then when sinchronized, switch off the old node.