Re: pg_rewind exiting with error code 1 when source and target are on the same timeline

From: Peter Eisentraut <peter_e(at)gmx(dot)net>
To: Michael Paquier <michael(dot)paquier(at)gmail(dot)com>
Cc: PostgreSQL mailing lists <pgsql-bugs(at)postgresql(dot)org>, Heikki Linnakangas <hlinnaka(at)iki(dot)fi>
Subject: Re: pg_rewind exiting with error code 1 when source and target are on the same timeline
Date: 2015-12-15 19:50:25
Message-ID: 56706F01.9040202@gmx.net
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On 12/12/15 6:08 AM, Michael Paquier wrote:
>> I committed this to master. It's also on the 9.5 open item list, but if
>> I backport it then the tests don't pass. Still looking. Not sure yet
>> if this is because of code changes in pg_rewind master or test
>> infrastructure changes in master.
>
> The failure is as follows:
> source data directory must be shut down cleanly
> Failure, exiting
> not ok 1 - pg_rewind local
>
> And is caused by the fact that master checks that the source node has
> been stopped with DB_SHUTDOWNED and not DB_SHUTDOWNED_IN_RECOVERY.

It seems that the/a problem is actually that the test setup tries a
rewind using the standby as the source and the standby also as the
target. The source should be the primary, and then it doesn't matter
whether we allow DB_SHUTDOWNED_IN_RECOVERY. Need to check that test setup.

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