Re: Fedora Core 4 Upgrade hosed Postgresql

["Bob Ambroso" <bambroso@xxxxxxxxx>]

I did as you instructed... Installed FC2 on another computer did a
filesystem backup of the "upgraded" data folder and moved it to the
new/old FC2 system. Performed a cursory configuration on the 7.4
postgres and then I un-tarred the backup into the data folder. Started
up the postgres server and got no errors. I performed the pg_dumpall
and moved the dumpall.dmp file to the "upgraded" or 8.x system. Now I
am really in a loop because I cannot restore the dump file unless the
server is running but it will not run because the data format is
different.. I would assume I have to nuke the thing back to bare bones
and then create the old databases and then perform a restore.... Does
this sound right??

How do I take the upgraded postgres server back to bare bones.. initdb again??



Sheesh... they sure dont make it easy... Not that I did anything to make it so... ;-)

Thanks for any help..

On 5/25/06, Craig White <craigwhite@xxxxxxxxxxx> wrote:

Yes, you have to move the data onto a system that has the same version
of postgresql - tarball is fine. Then you ***may*** have to
remove/reinstall postgresql-server to get the base data files installed.

Craig

On Thu, 2006-05-25 at 19:36 -0700, Bob Ambroso wrote:
> Can you tell me how to do a pg_dump when the server wont start? It
> complains about data in an earlier format... Tar up data directory and
> move it???
>
> Any help is appreciated..
>
> \Bob
>
> On 5/25/06, Craig White <craigwhite@xxxxxxxxxxx> wrote:
>         On Thu, 2006-05-25 at 19:12 -0700, Bob Ambroso wrote:
>         > It is a test server. I normally use MYSQL and it was a test
>         app that
>         > required Postgresql.. It is test data.. Quite alot actually
>         but to
>         > answer your question.. No.. I blindly upgraded (have done so
>         in the
>         > past with MYSQL) and now it is hose and I assume my test dat
>         is as
>         > well...
>         ----
>         postgresql does not update it's db files. They are most likely
>         not hosed
>         but rather still in earlier format. If you can move them to
>         another
>         computer using the same version of postgresql that you were
>         using, you
>         should be able to then pg_dump all the data and them load it
>         into the
>         newer version. That is the way postgresql has always worked.
>
>         You should be regularly 'dumping' your data from any sql db as
>         a backup
>         whether it is mysql, postgresql or ???
>
>         You should be backing up your data prior to any OS 'upgrade'
>
>         I did the same thing myself in upgrading Fedora Core 2 to
>         Fedora Core 4
>         but I did have a pg_dump file that was a few days old.
>
>         ;-)
>
>         Craig
>
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