Groups > comp.databases.postgresql > #659

Re: PostgreSQL 8.4 and 9.1 on same system?

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From	Dimitri Fontaine <dimitri@2ndQuadrant.fr>
Newsgroups	comp.databases.postgresql
Subject	Re: PostgreSQL 8.4 and 9.1 on same system?
Date	Sun, 31 May 2015 16:11:39 +0200
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Magnus Warker <magnux@mailinator.com> writes:
> Can I switch to 9.1 and remove the 8.4 version?
> How?
> What about the existing databases?

See about pg_upgradecluster (man pages etc).

> But how to "activate" 9.1 first?

You will also need to redirect you application and test everything works
before getting rid of 8.4.

-- 
Dimitri Fontaine
PostgreSQL DBA, Architecte

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Thread

PostgreSQL 8.4 and 9.1 on same system? Magnus Warker <magnux@mailinator.com> - 2015-05-31 09:36 +0200
  Re: PostgreSQL 8.4 and 9.1 on same system? Dimitri Fontaine <dimitri@2ndQuadrant.fr> - 2015-05-31 11:38 +0200
    Re: PostgreSQL 8.4 and 9.1 on same system? Magnus Warker <magnux@mailinator.com> - 2015-05-31 15:57 +0200
      Re: PostgreSQL 8.4 and 9.1 on same system? Dimitri Fontaine <dimitri@2ndQuadrant.fr> - 2015-05-31 16:11 +0200
        Re: PostgreSQL 8.4 and 9.1 on same system? Magnus Warker <magnux@mailinator.com> - 2015-05-31 17:09 +0200
          Re: PostgreSQL 8.4 and 9.1 on same system? Dimitri Fontaine <dimitri@2ndQuadrant.fr> - 2015-05-31 18:17 +0200
            Re: PostgreSQL 8.4 and 9.1 on same system? Magnus Warker <magnux@mailinator.com> - 2015-05-31 19:01 +0200
              Re: PostgreSQL 8.4 and 9.1 on same system? mattheww@chiark.greenend.org.uk (Matthew Woodcraft) - 2015-05-31 22:21 +0100
                Re: PostgreSQL 8.4 and 9.1 on same system? Magnus Warker <magnux@mailinator.com> - 2015-06-01 18:43 +0200
                Re: PostgreSQL 8.4 and 9.1 on same system? mattheww@chiark.greenend.org.uk (Matthew Woodcraft) - 2015-06-01 21:08 +0100
                Re: PostgreSQL 8.4 and 9.1 on same system? mattheww@chiark.greenend.org.uk (Matthew Woodcraft) - 2015-06-01 21:13 +0100

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