| From: | Bruce Momjian <bruce(at)momjian(dot)us> |
|---|---|
| To: | Robert Haas <robertmhaas(at)gmail(dot)com> |
| Cc: | Alvaro Herrera <alvherre(at)commandprompt(dot)com>, Peter Eisentraut <peter_e(at)gmx(dot)net>, Pg Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: pg_upgrade --logfile option documentation |
| Date: | 2012-02-28 19:15:30 |
| Message-ID: | 20120228191530.GA14565@momjian.us |
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| Lists: | pgsql-hackers |
On Tue, Feb 28, 2012 at 01:24:45PM -0500, Robert Haas wrote:
> > Running this script will delete the old cluster's data files:
> > /usr/local/pgdev/pg_upgrade/delete_old_cluster.sh
>
> I think you should rename the old control file just before the step
> that says "linking user relation files". That's the point after which
> it becomes unsafe to start the old cluster, right?
Yes, it is true that that is the danger point, and also it is much less
likely to fail at that point --- it usually happens during the schema
creation. I would have to add some more conditional wording without
clearly stating if the old suffix is present.
--
Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://enterprisedb.com
+ It's impossible for everything to be true. +
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