Re: Bug (#3484) - Missing pg_clog/0AE6

Alexandra Nitzschke <an@clickware.de> writes:
> since our last report at 15.02.2008 we again encountered database errors:

> Livesystem:
> 30.04.2008 ERROR:  invalid page header in block 12324 of relation "tzf_taf_fk"
> ----------------------------------------------------------------------
> ----- 12.09.2008 Update postgres from 8.1.3 to 8.3.3.
> ----------------------------------------------------------------------
> 11.10.2008 ERROR: could not open segment 4 of relation 1663/16388/273243518 (target block 1075838999):
> 18.10.2008 ERROR: invalid page header in block 457602 of relation "tre_pk"
> 26.10.2008 ERROR: invalid page header in block 234011 of relation "trx_nr_i"
> 27.10.2008 ERROR: invalid page header in block 647 of relation "akzeptanz".

Have you checked for hardware problems?  This looks more like a case of
a flaky disk drive or possibly bad RAM than a software problem.

            regards, tom lane