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Asked: 2026-05-11T15:14:58+00:00

I have a service running and inserting data (a lot of data). Sometime, and

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I have a service running and inserting data (a lot of data). Sometime, and this is only about few weeks, I receive this error:

ERROR: XX001: could not read block 2354 of relation 1663/17633/17925: read only 0 of 8192 bytes.

This error is from the Npgsql connector of PostGresql:

Exception trace:    at Npgsql.NpgsqlConnector.CheckErrors() at Npgsql.NpgsqlConnector.CheckErrorsAndNotifications() at Npgsql.NpgsqlCommand.ExecuteCommand() at Npgsql.NpgsqlCommand.ExecuteNonQuery()

If I do the query that create that error inside PGAdmin, I have this error too. Anyone have an idea of why this Insert query that has nothing special has this error? This table has a primary key but not Foreign Key and I have verified manually, this table doesn’t contain the primary key.

How can I solve that error?

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1 Answer

  1. Given that error ‘XX001’ is listed as ‘DATA CORRUPTED’ you probably need to reach for the backup.

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