| From: | Zdenek Kotala <Zdenek(dot)Kotala(at)Sun(dot)COM> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | sapna kapoor <sapna(dot)kapoor(at)nic(dot)in>, pgsql-bugs(at)postgresql(dot)org, Robert Mach <mach(dot)robert(at)gmail(dot)com> |
| Subject: | Re: BUG #3567: invalid page header in block XXXXof relation |
| Date: | 2007-08-23 08:55:14 |
| Message-ID: | 46CD4B72.2000304@sun.com |
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| Lists: | pgsql-bugs |
Tom Lane wrote:
> "sapna kapoor" <sapna(dot)kapoor(at)nic(dot)in> writes:
>> some tables are giving error :
>> ERROR: invalid page header in block 32655 of relation "AAAA" while
>> accessing.
>
>> Some are giving
>> ERROR: could not access status of transaction 1778384896
>> DETAIL: could not open file "pg_clog/06A0": No such file or directory
>
> If you had just one of these, I might think it suggested a software
> problem.
The similar clog problem was reported there
http://archives.postgresql.org/pgsql-bugs/2007-07/msg00124.php.
It looks like vacuum truncate clog file but, some tuples still have xmin or xmax
from truncated clog.
Sapna,
can
You try following http://pgfoundry.org/projects/pgcheck/ project. It is still in
alpha, but page check
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgcheck/pokus/pgcheck_page/) should
be work.
Zdenek
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