On Mon, Jul 20, 2015 at 1:57 AM, Joseph Kregloh <jkreg...@sproutloud.com> wrote:
> It's actually simpler than you think. Here are the steps that I follow: > > 1. Install 9.4 in another directory, if you compile it from the ports make > suere you add the PREFIX flag. For example: cd > /usr/ports/databases/postgresql94-server/ && make install clean > PREFIX=/opt, this will install 9.4 on the /opt directory. > 2. Install the contrib the same way. > 3. Initialize the 9.4 database in another directory /opt/bin/initdb -D > /usr/local/pgsql_94/data -E UTF8. > 4. Make sure the two databases are compatible: /opt/bin/pg_upgrade -d > /usr/local/pgsql/data -D /usr/local/pgsql_94/data -b /usr/local/bin -B > /opt/bin -p 5001 -P 5002 -c > 5. Once everything is complete, run the scripts to delete old data and > analyze the new db > 6. Deinstall 9.0 and 9.4. > 7. Install 9.4 using the defaults. > 8. Move the /usr/local/pgsql_94/data to /usr/local/pgsql/data > 9. Copy any settings you want to restore and that's it. > > Above is the basic steps as I remember from memory. But I've successfully > upgraded many databases this way. > > On Sun, Jul 19, 2015 at 1:35 PM, Amitabh Kant <amitabhk...@gmail.com> > wrote: > >> Hi >> >> I need to upgrade a PG cluster from 9.1 to 9.4 running on dedicated >> FreeBSD 9.2 server. Earlier I followed the simple pg_dump / pg_restore, but >> now that the cluster has grown to around 700 GB (1 TB total HD size), I am >> now inclined towards using pg_upgrade. >> >> pg_upgrade requires both binary to be present at the same time, which >> seems difficult as I have installed using ports. I don't want to compile PG >> myself unless that is the only way out. Reading the mailing lists and >> previous questions, I see following options: >> >> > Do you use pkg? Don't be afraid of building from source, give you more > options and you can see what is actually installed in terms of dependencies. > > >> a) Use the work directory of port to compile the binaries and use it with >> pg_upgrade >> >> > You install it in a different location. > > >> b) use jails as noted in some of the discussions online, however no idea >> whether it would work in my case. >> >> > Jails work, but in this case it would be more trouble. If you had it in a > jail already then that would be different story. > > >> c) Somehow modify the ports options so each versions binary is installed >> separately. I have no idea how to do it, maybe need to ask this on the >> FreeBSD mailing list. >> > > This I explained above. > > > -Joseph Kregloh > I had a feeling I was missing something simple. I was looking at DESTDIR instead of PREFIX. I will try it out. Seems pretty elegant and simple. I do use pkg on production servers, but I have my own pkg repository where I build packages to be deployed across multiple servers. Thanks for the help. With regards Amitabh
