is possible to upgrade from 9.2 to 9.4 with pg_upgrade

From: Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>
To: PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: is possible to upgrade from 9.2 to 9.4 with pg_upgrade
Date: 2015-05-06 11:42:41
Message-ID: CAFj8pRD31Sx3v5T9nzPtN5jwxMnaR_ujb+YmNwSY0Enx06eBBw@mail.gmail.com
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Hi

I am working on preparation the migration from 9.2 to 9.4

pg_upgrade fails

pg_upgrade -b /usr/lib64/pgsql/postgresql-9.2/bin -B /usr/bin/ -d
/mnt/ebs/pgsql/data -D /mnt/ebs/pgsql/data94 -k'
Performing Consistency Checks
-----------------------------
Checking cluster versions ok
The old cluster lacks some required control information:
latest checkpoint oldest MultiXactId

?

Regards

Pavel

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