Re: Index corruption

[Brad Nicholson <bnichols(at)ca(dot)afilias(dot)info>]

Tom Lane wrote:
> Brad Nicholson <bnichols(at)ca(dot)afilias(dot)info> writes:
>> It may or may not be the same issue, but for what it's worth, we've seen
>>   the same sl_log_1 corruption on AIX 5.1 and 5.3
> 
> Hm, on what filesystem, and what PG version(s)?
> 
> I'm not completely satisfied by the its-a-kernel-bug theory, because if
> it were then ISTM extending an index would be subject to the same risks
> as extending a table; but I see no evidence of index page lossage in
> Marc's dump.  OTOH the usage patterns are different, so maybe PG isn't
> stressing the write-to-lseek path quite as hard for indexes.
> 
> 			regards, tom lane

jfs2 in all cases.  I don't recall the PG version for 5.1, but it was
greater that 7.4.8.  For 5.3, it was 7.4.12.

-- 
Brad Nicholson  416-673-4106
Database Administrator, Afilias Canada Corp.