Oracle Database Errors or Warnings from Error ORA-06421 to ORA-06440

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ORA-06421: NETCMN: Error detected in the read-in data
Cause: Error found during recomputation of checksum or CRC.
Action: Possible hardware failures of communication nodes. Contact system administrator immediately.
ORA-06422: NETCMN: Error in sending data
Cause: Unable to transmit data to remote host.
Action: Try reconnect to remote host, and contact your system administrator.
ORA-06423: NETCMN: Error in receiving data
Cause: Unable to receive data from remote host.
Action: Try reconnect to remote host, and contact your system administrator.
ORA-06430: ssaio: Seals do not match
Cause: A function was called with an invalid argument.
Action: Contact your Oracle Customer Support Representative.
ORA-06431: ssaio: Invalid Block number
Cause: The file block number is out of range of the file. The additional information returns the block number.

Action: Verify that the block number is correct. Run dbfsize and check if the block number is in that range. Contact your Oracle Customer Support Representative.
ORA-06432: ssaio: Buffer Not Aligned
Cause: The I/O buffer was not aligned on a 2K boundary.
Action: Contact your Oracle Customer Support Representative.
ORA-06433: ssaio: LSEEK error, unable to seek to requested block.
Cause: The additional information returns the block number
Action: Look up the additional information returned in your operating system reference manual. Verify that the block number is correct.
ORA-06434: ssaio: read error, unable to read requested block from database file.
Cause: The read system call returned an error.
Action: The additional information indicates the block number. Look up the additional information returned in your operating system manual.
ORA-06435: ssaio: write error, unable to write requested block to database file.
Cause: The write system call returned an error.
Action: The additional information indicates the block number. Look up the additional information returned in your operating system manual.

ORA-06436: ssaio: asynchronous I/O failed due to incorrect parameters.
Cause: The Asynchronous I/O system call returned an error.
Action: The additional information indicates the block number. Look up the additional information returned in your operating system manual.
ORA-06437: ssaio: the asynchronous write was unable to write to the database file.
Cause: The Asynchronous I/O system call returned an error.
Action: The additional information indicates the block number. Look up the additional information returned in your operating system manual.
ORA-06438: ssaio: the asynchronous read was unable to read from the database file.
Cause: The Asynchronous I/O system call returned an error.
Action: The additional information indicates the block number. Look up the additional information returned in your operating system manual.
ORA-06439: ssaio: the asynchronous write returned incorrect number of bytes
Cause: This write call may have been truncated. The additional information returns the block number and number of bytes.
Action: Verify that the block number and the number of bytes written are correct.
ORA-06440: ssaio: the asynchronous read returned incorrect number of bytes
Cause: This read call may have been truncated. The additional information returns the block number and number of bytes.
Action: Verify that the block number and the number of bytes read are correct.

Above are list of Oracle Database Errors or Warnings from Error ORA-06421 to ORA-06440 received while performing certain operation against Oracle Database or related products.

What are Oracle Database Error Messages?

Oracle Error Messages may be returned while using products which are part of Oracle Database.  Each Oracle Database Error or Warning Message mentioned above contains the Warning or Error Message Statement, a short explanation of the probable causes of the Error message, and a recommended action.

Hope this was helpful.

Thanks,
SQLServerF1 Team
Information about Oracle Database Error Messages or Warning Messages on Windows and Linux Operating Systems.

 

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