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Re: pg_dump 8.3.3 ERROR: invalid page header in block 2264419 of relation "pg_largeobject"

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On Wed, May 24, 2017 at 04:45:51PM -0700, David Wall wrote:

> They do have a slave DB running via WAL shipping.  Would that likely help us
> in any way?

If you can find out which blobs are afflicted you may be able
to extract those from the slave and re-insert them into the
new DB.

> Because the DBs are big (they have two at 191GB and 127GB), it
> takes a fair bit of time to do backups, transfers and restores.  I'm trying
> to find options as it likely means downtime for them that they are not
> expecting (yet).

Oh, they likely have downtime already, because what you first
reported smells of bad hardware ?

Karsten
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