| From: | Peter Eisentraut <peter_e(at)gmx(dot)net> |
|---|---|
| To: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
| Cc: | Ralf Tschiersch <ralf(at)net-service(dot)de>, pgsql-admin(at)postgresql(dot)org |
| Subject: | Re: pg_log deleted - what to do? |
| Date: | 2000-10-01 19:16:41 |
| Message-ID: | Pine.LNX.4.21.0010012113280.1031-100000@peter.localdomain |
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| Lists: | pgsql-admin |
Bruce Momjian writes:
> Can the user rename the /data directory, do initdb, save the pg_log
> file, move the old /data back into place, add the new pg_log, and do a
> backup of his data?
My understanding is that pg_log contains flags about which transactions
have committed, from which is inferred what tuples are valid. So
theoretically you could set "all transactions have committed" in pg_log
and pick out the tuples you like from the tables (after having gotten past
the horribly corrupted indexes). But that seems like a pretty complicated
undertaking in any case.
--
Peter Eisentraut peter_e(at)gmx(dot)net http://yi.org/peter-e/
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