Brad Nicholson <[EMAIL PROTECTED]> 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

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