Re: [HACKERS] migrate data 6.5.3 -> 8.3.1

I think that you use to much new pg_dump. I'm not sure but my expectation is
that latest pg_dump version does not support too old PG. The problem there could
be network protocol. Currently only version 3 and 2 is supported. I recommend
you to jump to 7.x (7.2) first and use 7.2 pg_dump and after that to 7.4 and
8.3. IIRC there could be problem also with foreign keys.

Zdenek

alexander lunyov napsal(a):
>
> Thanks for the tip.
> I want to try new pg_dump to connect to old server, but i can't - old
> postgres doesn't listening to network socket. Why postgres 6.5.3 not
> binding to network socket? It started with this line:
>
> su pgsql -c '/usr/local/pgsql/bin/postmaster -d 5 -p 5432 -S -o "-e -F"
> -D /usr/local/pgsql/data' >/var/log/postgres.log 2>&1 &
>
> There is no errors in logfile about network socket, and postgres not
> listening to network:
>
> # sockstat | grep 5432
> #
>
> While postgres is up and running
>
> # ps ax | grep postgres
> 47034 ?? Is 0:00.03 /usr/local/pgsql/bin/postmaster -d 5 -p 5432
> -S -o -e -F -D /usr/local/pgsql/data (postgres)
>
> And here's the logfile:
>
> FindExec: found "/usr/local/pgsql/bin/postgres" using argv[0]
> binding ShmemCreate(key=52e2c1, size=1001472)
>
>
> Kenneth Marshall wrote:
>> When upgrading, you use the pg_dump from the new version to
>> dump the old database. Then it can take care of incidental
>> changes during the process. I think that the mailing list
>> archives have articles on upgrading from v6.5. I do not think
>> that you can go straight from v6.5 to v8.3. You will almost
>> certainly need to use v7.2-7.4 as a intermediate step, maybe
>> v8.0 will work, check the list archives. Good luck.
>>
>> Cheers,
>> Ken
>>
>> On Thu, Aug 14, 2008 at 10:34:11AM -0400, David Blewett wrote:
>>> On Thu, Aug 14, 2008 at 9:58 AM, alexander lunyov <lan@zato.ru> wrote:
>>>> Hello everybody.
>>>>
>>>> We have a dusty old server, FreeBSD 3.3-RELEASE, PostgreSQL 6.5.3.
>>>> I need to migrate four DBs from old server to new server (FreeBSD 6.2,
>>>> PostgreSQL 8.3.1).
>>> Just an FYI: I advised Alexander to post here, because I thought some
>>> of the devs might have older pg installs/dump tools and might be able
>>> to give some advice.
>>>
>>> David Blewett
>>>
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>>
>
>

--
Zdenek Kotala Sun Microsystems
Prague, Czech Republic http://sun.com/postgresql

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