From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
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To: | "John Liu" <johnl(at)emrx(dot)com> |
Cc: | pgsql-general(at)postgresql(dot)org |
Subject: | Re: core dump |
Date: | 2003-11-21 18:42:03 |
Message-ID: | 23028.1069440123@sss.pgh.pa.us |
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Lists: | pgsql-general |
"John Liu" <johnl(at)emrx(dot)com> writes:
> 1. I copied the entire data directory [including
> postgresql.conf, base, ...] from postgreSQL 7.3.2 (AIX4.3)
> to the installation postgreSQL 7.3.4 (AIX5.1), the same filesystem
> setup. I didn't do an dump/reload process
> since the copy process is faster.
> Is it OK to take this shortcut in postgreSQL? any side-effects?
Given that you are now seeing problems on the new installation, it seems
it didn't work too well :-(
I'm not sure why though. 7.3.2->7.3.4 should not have any file-level
incompatibilities, assuming you built both with the same configure
options (might be worth double-checking that). The OS version jump
might possibly be the culprit --- is it possible they changed the
compiler's struct packing rules between 4.3 and 5.1? Oh, and I'm
assuming these systems are the same underlying hardware architecture ...
regards, tom lane
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