incorrect checksum in control file

From: "Jeffrey W(dot) Baker" <jwbaker(at)acm(dot)org>
To: pgsql-general(at)postgresql(dot)org
Subject: incorrect checksum in control file
Date: 2004-09-09 22:48:12
Message-ID: 1094770092.25660.2.camel@localhost.localdomain
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Today I tried to move a database and got this error, which I gather is
very rare (also undocumented):

postgres[2767]: [1-1] FATAL: incorrect checksum in control file

I moved the database from a 32-bit arch to a 64-bit arch. All I did was
shutdown a 7.4.1 database, shutdown the machine, swap the storage onto
the 64-bit machine running 7.4.5, and try to restart. No dice.

Any suggestions? I copied the entire $PGDATA tree, reinitialized, and
restored from a dump.

-jwb

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