error with pgdump

From: Sébastien WACHTER <sebastien(dot)wachter(at)netasq(dot)com>
To: pgsql-admin(at)postgresql(dot)org
Cc: nicolas treels <nicolas(dot)treels(at)netasq(dot)com>
Subject: error with pgdump
Date: 2010-10-14 09:13:09
Message-ID: 4CB6C9A5.8070908@netasq.com
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hi all
im new user with posgres , we use a sofware solution based on postgres
sql to store database.
when i want dump database for backup

pg_dump -h localhost -b -Fc -U applicationdbuser application -f fichier.dmp
after a few time i have this error

EERROR: *invalid* page *header* in block 10 of relation "pg_toast_16610"

have you an idea to fix it ?

i have try to reindex , when i search on google or forum i have see this
solution for same case

with command
reindex index pg_toast.pg_toast_16610;

but i have this error
relation "pg_toast.pg_toast_16610" d'ont exist

thanks a lot

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