[PATCH] Do not allow different versions of ctdb in a cluster

[Stefan Metzmacher]

Hi Amitay,

I guess there's no way to detect the version mismatch at the
"connect" time? Or is the keepalive message the first message
that's send over the connection?

metze

Am 23.05.2017 um 06:40 schrieb Amitay Isaacs via samba-technical:
> Hi,
> 
> Till now there has never been a check to ensure that compatible ctdb
> versions are running in a cluster.  We allowed different versions of ctdb
> in a cluster.  This patch set adds a check to ensure that a cluster has
> compatible versions of ctdb.
> 
> As a general rule, ctdb with same major and minor versions will be
> compatible.
> 
> However allow the flexibility of mixing versions if you know what you are
> doing via new tunable AllowMixedVersions.
> 
> Please review and push.
> 
> These patches are dependent on the set of patches posted previously
> (simplify generation of version header files in ctdb build).
> 
> Amitay.
> 


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