MySQL NDB Cluster 8.1 Manual
MySQL NDB Cluster 8.0 Manual
NDB Cluster Internals Manual
This section provides information about each of the six types
MGM errors, with the listings that follow
ordered by type.
These are errors generated by failures to connect to a management server.
Table 3.8 Request errors generated by management server connection failures.
| Value | Description |
|---|---|
| NDB_MGM_ILLEGAL_CONNECT_STRING | Invalid connection string |
| NDB_MGM_ILLEGAL_SERVER_HANDLE | Invalid management server handle |
| NDB_MGM_ILLEGAL_SERVER_REPLY | Invalid response from management server |
| NDB_MGM_ILLEGAL_NUMBER_OF_NODES | Invalid number of nodes |
| NDB_MGM_ILLEGAL_NODE_STATUS | Invalid node status |
| NDB_MGM_OUT_OF_MEMORY | Memory allocation error |
| NDB_MGM_SERVER_NOT_CONNECTED | Management server not connected |
| NDB_MGM_COULD_NOT_CONNECT_TO_SOCKET | Not able to connect to socket |
| NDB_MGM_BIND_ADDRESS | Unable to bind local address... |
| NDB_MGM_ILLEGAL_BIND_ADDRESS | Illegal bind address |
These errors result from a failure to assign a node ID to a cluster node.
Table 3.9 Node ID allocation errors resulting from failure to assign a node ID
| Value | Description |
|---|---|
| NDB_MGM_ALLOCID_ERROR | Generic error; may be possible to retry and recover |
| NDB_MGM_ALLOCID_CONFIG_MISMATCH | Non-recoverable generic error |
| NDB_MGM_ALLOCID_CONFIG_RETRY |
Mgmd failed to match hostname, but
AllowUnresolvedHostnames=true. Connecting node should
retry. (See
AllowUnresolvedHostnames.) |
These errors result from the failure of a node or cluster to start, shut down, or restart.
Table 3.10 Service errors resulting from failure of a node or cluster to start, shut down, or restart
| Value | Description |
|---|---|
| NDB_MGM_START_FAILED | Startup failure |
| NDB_MGM_STOP_FAILED | Shutdown failure |
| NDB_MGM_RESTART_FAILED | Restart failure |
These are errors which result from problems with initiating or aborting backups.
Table 3.11 Backup errors resulting from problems initiating or aborting backups.
| Value | Description |
|---|---|
| NDB_MGM_COULD_NOT_START_BACKUP | Unable to initiate backup |
| NDB_MGM_COULD_NOT_ABORT_BACKUP | Unable to abort backup |
These errors result from failures to enter or exit single user mode.
Table 3.12 Single user mode errors resulting from failure to enter or exit single user mode.
| Value | Description |
| NDB_MGM_COULD_NOT_ENTER_SINGLE_USER_MODE | Unable to enter single-user mode |
| NDB_MGM_COULD_NOT_EXIT_SINGLE_USER_MODE | Unable to exit single-user mode |
These errors result when the management server is unable to obtain configuration data, or is unable to perform a configuration change.
Table 3.13 Configuration errors resulting from failure to get or change configuration.
| Value | Description |
| NDB_MGM_CONFIG_CHANGE_FAILED | Failed to complete configuration change |
| NDB_MGM_GET_CONFIG_FAILED | Failed to get configuration |