Re: is possible to upgrade from 9.2 to 9.4 with pg_upgrade

On Wed, May 6, 2015 at 6:16 AM, Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>
wrote:

>
>
> 2015-05-06 15:15 GMT+02:00 Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>:
>
>> Pavel Stehule wrote:
>> > 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
>> >
>> > ?
>>
>> Uh, this is certainly supposed to work. Maybe pg_controldata or
>> pg_resetxlog changed output format and pg_upgrade doesn't know how to
>> read it.
>>
>
> It is tested on fresh 9.2.10 to 9.4.1
>

I've done that migration many times. Can you give the pg_config output for
both installations, and the pg_controldata output for the 9.2.10?

Thanks,

Jeff