Re: 7.2 -> 7.3 => data version/dump problem

Originally posted by Otisg 

> Hello,

>

> I just made a mistake of upgrading from

> 7.2(.1 or .2) to 7.3.1, forgetting that some

> data format has changed.

> When I tried starting postmaster I now get:

>

> [EMAIL PROTECTED] pgsql]#

> /etc/rc.d/init.d/postgresql start

>

> An old version of the database format was

> found.\nYou need to upgrade the data format

> before using PostgreSQL.\nSee (Your System's

> documentation

> directory)/postgresql-7.3/README.rpm-dist

> for more information.

>

>

> The file mentioned does exist, but does not

> mention how to deal with the data format change.

> I found some references online that mention

> that one needs to dump the database and then

> reimport it.

> So I tried using pg_dump to do that, but

> that seems to require that the server be

> running:

>

> [EMAIL PROTECTED] pgsql]# pg_dump MyDB

> pg_dump: [archiver (db)] connection to

> database "MyDB" failed: could not connect to

> server: No such file or directory

>         Is the server running locally and

> accepting

>         connections on Unix domain socket

> "/tmp/.s.PGSQL.5432"?

>

> 'MyDB' is correct (that is, I used the real

> DB name in place of MyDB).

>

> Looks like a circular dependency to me.

> Can anyone help me with this.  Searching

> this list is impossible - searches take over

> a minute.

> I am using Red Hat 8.0.

>

> Thanks,

> Otis

>

>

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Hi:

I have the same problem after I updraded from 7.1->7.3

without taking any backup.

What is the solution now to start the DB and get my old

data fomat migrated to 7.3 format.

Any help is appreciated.



Gautam


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