From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
---|---|
To: | Achilleas Mantzios <achill(at)matrix(dot)gatewaynet(dot)com> |
Cc: | pgsql-admin(at)postgresql(dot)org |
Subject: | Re: Postgresql 7.4 migration to (partially) new disks |
Date: | 2006-09-17 18:15:13 |
Message-ID: | 23601.1158516913@sss.pgh.pa.us |
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Lists: | pgsql-admin pgsql-general |
Achilleas Mantzios <achill(at)matrix(dot)gatewaynet(dot)com> writes:
>> If you copy the *entire* data tree (data, xlog, clog, any outside
>> tablespaces), and use exactly the same Postgres executables at both
>> ends, then it should pretty much Just Work.
> Thats what i feared from the begining. (some connection between the data dir
> and the executable, really, why does the executable need to be exactly the
> same,
> if we are talking about minor postgresql upgrade 7.4.12->7.4.13?)
Well, a minor version update won't in itself break anything; what would
break things is changing certain build options (such as
integer-datetimes) or switching to a different architecture (such as
x86 -> x86_64).
regards, tom lane
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