Re: postgres-two different version

We run two servers when we are trying out new versions (development, qa,
and production). And,
its a failsafe for upgrades. Since you need to unload for major
upgrades anyway, it is completely
reasonable.

Naomi

codeWarrior wrote:
> Why would you want two servers on the same box ??? There's this thing called
> "schemas" within one database... and postgreSQL is very capable of managing
> multiple databases from the same server....
>
> If you insist on trying to run two postgreSQL server on teh same box -- You
> also need to make sure that your two different versions dopnt share TCP/IP
> ports -- they cannot both listen on the same IP:PORT address -- so you will
> need to manage your postgresql.conf and pg_hba.conf files separately -- one
> for each postgresql server... ditto for your startup scripts.
>
> You will probably also have some issues when using pgsql at the command line
> [localhost].
>
> Why not just upgrade your 8.1.3 installation to 8.2 ?
>
>
>
>
> "Tom Lane" <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote in message
> news:1892(dot)1170169384(at)sss(dot)pgh(dot)pa(dot)us(dot)(dot)(dot)
>
>> "Bottini" <g(dot)bottini(at)arpa(dot)vda(dot)it> writes:
>>
>>> Is possible to install two different version of postgresql on the same
>>> Linux server? I want to install the 8.2 version in a server where is
>>> installed 8.1.3 version
>>>
>> You can, but not when installing from RPM: the RPMs have a fixed idea of
>> where to put the software, and I don't think it's feasible to change.
>> You'd need to build from source and use the --prefix configure option
>> to put the two sets of code in different places.
>>
>> regards, tom lane
>>
>> ---------------------------(end of broadcast)---------------------------
>> TIP 6: explain analyze is your friend
>>
>>
>
>
>
> ---------------------------(end of broadcast)---------------------------
> TIP 5: don't forget to increase your free space map settings
>

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