| From: | Karsten Hilbert <Karsten(dot)Hilbert(at)gmx(dot)net> |
|---|---|
| To: | pgsql-general(at)postgresql(dot)org |
| Subject: | Re: pg_dump 8.3.3 ERROR: invalid page header in block 2264419 of relation "pg_largeobject" |
| Date: | 2017-05-25 07:24:53 |
| Message-ID: | 20170525072453.u3egwtucaaighcsb@hermes.hilbert.loc |
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| Lists: | pgsql-general |
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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