| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Mingzuo Shen <mzshen(at)yahoo(dot)com> |
| Cc: | Scott Marlowe <smarlowe(at)g2switchworks(dot)com>, pgsql-admin(at)postgresql(dot)org |
| Subject: | Re: Read db files directly |
| Date: | 2006-07-28 20:03:34 |
| Message-ID: | 635.1154117014@sss.pgh.pa.us |
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| Lists: | pgsql-admin |
Mingzuo Shen <mzshen(at)yahoo(dot)com> writes:
> when I say psql shows nothing,
> I really mean "nothing".
> No error messages.
> Of course if I create a new db, psql -l shows my
> new db.
> psql -l
> List of databases
> Name | Owner | Encoding
> --------+----------+-----------
> testdb | postgres | SQL_ASCII
> (1 row)
This sounds like transaction XID wraparound in pg_database. What
vacuuming policy have you been following? It'd possibly work to
do "vacuum pg_database" to fix it, but if so you've got other
problems ...
regards, tom lane
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