I have quite the same problem.
When I lauch a vacuumdb, I have an error : ERREUR: en-tête de page invalide
dans le bloc 39639 de la relation base/16384/599662
With a
SELECT * FROM pg_catalog.pg_largeobject
Result is
ERREUR: en-tête de page invalide dans le bloc 39639 de la relation
base/16384/599662
I suppose that the data of LargeObject 599662 are corrupted...
Question is : How I could I know where this LargeObject is used ?
I can, of course, use the "zero_damaged_pages = on" option in
postgresql.conf. Then dump/restore.
But in this case I didn't know where this corrupted LargeObject is used...
If you have an idea...
Thank you in advance.
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