Rob Cowell wrote
> Hi,
>
> Is it possible to set up replication from a 9.1.10 master to a 9.3.5
> slave?
> I've taken a base-backup from the master and rsync'd it over to the slave
> but I'm seeing the following error :
>
> HINT: It looks like you need to initdb.
> FATAL: database files are incompatible with server
> DETAIL: The database cluster was initialized with PG_CONTROL_VERSION
> 903, but the server was compiled with PG_CONTROL_VERSION 937.
>
> Would I be better off dumping the data from 9.1.10 and re-importing into
> 9.3.5, then starting replication ?
> (or is there an easier way?) :)
>
> Cheers,
> Rob.
If you mean ongoing streaming replication then, as indicated from the error
message you are getting, no, you cannot mix server versions.
Only logical replication can do that; which, for you, would be a third-party
solution.
David J.
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