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Date: Thu, 23 Apr 2015 12:47:36 +0200
From: Laurent Bercot <>
Subject: Re: setenv if value=NULL, what say standard? Bug?

On 23/04/2015 11:52, Raphael Cohn wrote:
> The worst outage of my
> career was a terracotta cluster that had suffered from a split brain.
> Restarting it naively caused it to _delete_ the only remaining good
> state. Is this your 'clean state' caveat above?

  Yes it is. I think scripts that start complex services should always
make sure  to check the state first. Ideally, a run script (as we name
them in the process supervision world) should be idempotent in all cases.
I realize it's not always easy to achieve, but I believe it is the goal
to aim for.


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