Re: corruption bug in 7.2.3-RH - Mailing list pgsql-general

From Dennis Gearon
Subject Re: corruption bug in 7.2.3-RH
Date
Msg-id PLJI615ZOI84SPYUXSNHD8ZVSQ2WQE0.3e498020@cal-lab
Whole thread Raw
In response to Re: corruption bug in 7.2.3-RH  (Jonathan Ellis <jonathan@carnageblender.com>)
List pgsql-general
Boy ****I'LL**** say you lucked out! Postgres is good stuff ... it withstood that problem, I get
more impressed every day by it.


2/11/2003 1:50:40 PM, Jonathan Ellis <jonathan@carnageblender.com> wrote:

>Tom Lane wrote:
>> Jonathan Ellis <jonathan@carnageblender.com> writes:
>>> when trying to vacuum I got this:
>>> FATAL 2:  PageIndexTupleDelete: corrupted page pointers: lower = 21845,
>>> upper = 21845, special = 21845
>>
>> Hmm ... 21845 = hex 5555, and you have the same in at least three places
>> in the page header ... you have a badly clobbered page there.  Check
>> for hardware problems.
>
>memtest86 said 3 of my 4 dimms had bad spots.  ouch.
>
>>> I experimentally determined the problem was with my "users" table.  I
>>> did a pg_dump -t on it, manually deleted all triggers, dropped the
>>> table, and loaded from the dump.  This fixed it.
>>
>> But you probably lost a few rows, like whatever was on the trashed page
>> (or pages?).  Can you do anything to crosscheck the data you have left?
>
>All the referential integrity triggers restored w/o complaining.  (And
>_every_ entry in this table is used as a key in at least two other
>tables.)  Looks like I lucked out.
>
>-Jonathan
>
>
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