Npgsql & Postgresql : ERROR: XX001: could not read block 2354 of relation

StackOverflow https://stackoverflow.com/questions/701679

  •  22-08-2019
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Question

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?

Was it helpful?

Solution

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

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