Phoenix Kiula wrote:
> On 8/26/08, Phoenix Kiula <phoenix(dot)kiula(at)gmail(dot)com> wrote:
>> On 8/26/08, Scott Marlowe <scott(dot)marlowe(at)gmail(dot)com> wrote:
>> > Slony replication lets postgresql accomplish this, which is really
>> > quite impressive. We just upgraded from an 8.1 server to an 8.3
>> > server via slony, and it went smooth as silk. db downtime was
>> > measured in seconds.
>> Thanks for this Scott. Sounds promising. But where can I find the
>> instructions to install Slony, then install new PG 8.3.3, then start
>> it with similar CONF settings and stuff, then setup the master and
>> slave (which I am not familiar with), and then switch master and slave
>> when everything is working?
>> To others who keep telling us that "PG is complex and if you want it
>> to be less so then contribute" -- well, sorry I am not that technical.
>> If the intended target audience of PG is only super-techsavvy folk who
>> can write C++ patches for every little functionality they need, then
>> perhaps I chose the wrong DB? I doubt it.
>> It would be really nice if the PG official community can have some
>> simple instructions to make a seamless upgrade, if no simpler patches
>> exist. At the very least the instructions will help us plentiful folk
>> who do NOT use PG in the exalted "enterprise" setting, but to run busy
>> websites. This is how MySQL became big too, by being convenient and
>> reliable (until recently anyway), but I see no point in that
>> Anyhow, it would be really nice to have simple instructions. Searching
>> on Google for words like "Slony Postgresql upgrade" or "install slony
>> with postgresql 8.3" returns stuff that makes a lot of presumptions!
>> I have a CentOS 4 with Cpanel/WHM running. PG is in the usual place:
>> > whereis pgsql
>> pgsql: /usr/lib/pgsql /usr/include/pgsql /usr/share/pgsq
>> Now how can I install Slony so that it install PGSQL and allows me to
>> continue working with Apache/PHP for my website? I am reading this --
>> http://slony.info/documentation/installation.html -- but while it
>> textually mentions the stuff in the writeup, I don't see full
>> instructions to install Slony, then new PGSQL, then switching, and so
>> So many thanks for any help anyone can provide! Or point me to some
>> resource that exists but is hiding from Google.
> See, this is where I get confused. I want to upgrade from 8.2.3 to
> 8.3.3. The recommendation is to try Slony. So I download Slony and try
> to configure it. The configure command gives me this:
> checking for correct version of PostgreSQL... "error"
> configure: error: Your version of PostgreSQL (8.2) is lower
> than the required 8.3. Slony-I needs functionality included in
> a newer version.
> Well, if Slony needs a newer version, then how can it be used to upgrade?!
It looks like you have downloaded Slony 2.0.0RC1, which has in it's
release notes "It drops all support for databases prior to Postgres
version 8.3. ". It's also just a release candidate, not an actual release.
You need to download Slony 1.2.14, which supports both 8.2 and 8.3.
You'll find it under Quick downloads.
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