Re: Moving PostgreSQL data directory on Windows

From: Ottó Havasvölgyi <havasvolgyi(dot)otto(at)gmail(dot)com>
To: Pg - General <pgsql-general(at)postgresql(dot)org>
Subject: Re: Moving PostgreSQL data directory on Windows
Date: 2006-01-15 01:45:51
Message-ID: 34608c0c0601141745i463ec1a8i@mail.gmail.com
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Jonel,

I have initialized a new cluster in the installation (you did not),
but that should not have mattered, should it?

Best Regards,
Otto

2006/1/15, Jonel Rienton <jonel(at)rientongroup(dot)com>:
> Hi,
>
> I was just doing the same thing this morning, well somewhat the same;
> anyways, what I did was
>
> 1. uninstall Postgres, and run the installation again(don't use the
> upgrade.bat), same major version.
> 2. on the initial installation window, choose a new data directory by
> clicking on browse, point to your new location of data directory (the
> directory where you moved the data)
> 3. make sure you enable the run as service
> 4. don't initialize cluster db, uncheck it.
> 5. continue with installation.
> 6. you should be able to start the service from the services msc.
>
> Regards,
>
>
> Jonel Rienton
>
> --
> I know not english well, but I know 9 computer languages.
> Pinoy Ako!
>
> -----Original Message-----
> From: pgsql-general-owner(at)postgresql(dot)org
> [mailto:pgsql-general-owner(at)postgresql(dot)org] On Behalf Of Ottó Havasvölgyi
> Sent: Saturday, January 14, 2006 7:38 AM
> To: Magnus Hagander
> Cc: Pg - General
> Subject: Re: [GENERAL] Moving PostgreSQL data directory on Windows
>
> Hello,
>
> Ok. I did not set any security on the machine. Only I have access to it. Now
> I have done this:
>
> 0. Registry is modified (yesterday)
> 1. Restart today
> 2. Modify registry to the old value
> 3. Start PostgreSQL -> pg_ctl and postmaster are running (they are in the
> task list), but no postgres 4. "pg_ctl status" says that neither postmaster
> nor postgres are running. No new entry in event log.
> 5. Stop with "pg_ctl stop" -> it says "Could not send stop signal (PID
> 3624): no such process". There is really no such PID.
> 6. Restart Windows -> the same as before 7. Stop PostgreSQL from the Sart
> menu -> it took a half minute, and now only postmaster is running.
> 8. pg_ctl unregister -N "pgsql-8.0" -> seems it succeeded 9. Register on the
> new location 10. Start with "net start "pgsql-8.0"" -> The service could not
> be started, no event log entry. Perhaps because a postmaster isrunning.
> 11. Kill postmaster, I cannot stop it in other way.
> 12. Start from Start menu and "net start", but nothing happens. The same
> message as in step 10.
> 13. Start from Control panel - Services -> Message: "The service started
> then stopped."
>
> Now I really don't know how to start this.
> Perhaps reinstaling Postgres is easier.
>
> 14. Modified all this with the installer, but PostgreSQL does not start.
> 15. Backup data directory
> 16. Uninstall PostgreSQL
> 17. Install PostgreSQL 8.0.6 (this was installed before), as service, set
> the same passwords.
> 18. Stop PostgreSQL
> 19. Move the backuped data directory to the location PostgreSQL uses.
> 20. Start PostgreSQL now, but it does not start this way. :(
>
> What can be done to use my old data? It's not that critical, only tests.
>
> Thanks,
> Otto
>
>
>
>
> 2006/1/14, Magnus Hagander <mha(at)sollentuna(dot)net>:
> > Ok, two things:
> >
> > First, when using this method, yo uhave to reboot after editing the
> registry. If you didn't do that, then that's your problem. Sorry, forgot to
> mention that. If not, then looking at permissions as Rodrigo suggested is
> the next step.
> >
> > Second, there is of course a nicer way of doing this than editing the
> registry, that I compleetley forgot about. It's still not as nice as you
> would want, but it should work. You use pg_ctl unregister to remove the
> service, and then pg_ctl register to register a new one with the new data
> directory Doing this you won't hvae to reboot..
> >
> >
> > Perhaps this is something we should add to pg_ctl for 8.2? "pg_ctl
> reconfigure" or something like that? What do others think?
> >
> > //Magnus
> >
> > > -----Original Message-----
> > > From: Ottó Havasvölgyi [mailto:havasvolgyi(dot)otto(at)gmail(dot)com]
> > > Subject: Re: [GENERAL] Moving PostgreSQL data directory on Windows
> > >
> > > Magnus,
> > >
> > > It's a service, and it is 8.0.6. I have fixed the registry to this
> > > value: "C:\Program Files\PostgreSQL\8.0\bin\pg_ctl.exe"
> > > runservice -N "pgsql-8.0" -D "E:\PostgreSQL\data\"
> > >
> > > The service does not start.
> > > This new directory definetely exists. But now there is no Event log
> > > entry about the error. The log file says nothing because it is in
> > > the data/pg_log directory.
> > >
> > > Thanks,
> > > Otto
> > >
> > >
> > >
> > > 2006/1/13, Magnus Hagander <mha(at)sollentuna(dot)net>:
> > > > > Hello,
> > > > >
> > > > > I would like to move the data directory to another location.
> > > > > I have done this:
> > > > > 1. Stop PostgreSQL
> > > > > 2. Move data directory
> > > > > 3. Create a PGDATA env. variable to the new location 4. Start
> > > > > PostgreSQL
> > > > >
> > > > > And it cannot start, because it cannot find postgresql.conf.
> > > > > (in Event log) What should I do now?
> > > >
> > > > Are you running it as a service:? If so you need to reconfigure
> > > > the service. Unfortunatly,the only way to do this is using
> > > regedit. Go to
> > > > HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\pgsql-8.1
> > > >
> > > > Open the value "ImagePath" and change the data directory.
> > > >
> > > > //Magnus
> > > >
> > >
> >
>
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