Re: pgsql 8.3.3 "Invalid page header" leads to "FATAL: segment too big"

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Achilleas Mantzios <achill@xxxxxxxxxxxxxxxxxxxxx> writes:
> Then i did: (as i said i do not need the contents of msgsource - yet the contents of msgno are vital)
> dd if=/dev/zero of=/usr/local/var/lib/pgsql/data/base/125714957/125716013 seek=672720 bs=8192 count=1 

> However, after that, unfortunately i get constant postgresql server restarts with:
> FATAL:  segment too big

You got the dd command wrong and made the file size change to something
it shouldn't be.  I think you can use dd to truncate the file back to
what it should be (ie, exactly 1GB) but haven't had enough caffeine to
remember exactly how.

I think the underlying error is that block 672720 isn't going to be in
the first segment of the table --- you need to be zeroing something in
one of the other segments...

			regards, tom lane

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