content_image/742818.jpg content_image/742819.jpg content_image/742828.jpg content_image/742827.jpg
Do not read default options from any option file other than login file. 

• --print-defaults 

<img src='content_image/742818.jpg'>

Print program argument list and exit. 

• --try-reconnect= number 

<img src='content_image/742819.jpg'>

If the connection to the management server is broken, the node tries to reconnect to it every 5 seconds until it succeeds. By using this option, it is possible to limit the number of attempts to number  before giving up and reporting an error instead. 

This option is deprecated and subject to removal in a future release. Use --connect-retries , instead. 

• --usage 

<img src='content_image/742828.jpg'>

Display help text and exit; same as --help. 

• --version 

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Display version information and exit. 

Additional information about using ndb_mgm  can be found in Section 23.5.1, “Commands in the NDB Cluster Management Client” . 

## 23.4.6 ndb_blob_tool — Check and Repair BLOB and TEXT columns of NDB Cluster Tables 

This tool can be used to check for and remove orphaned BLOB column parts from NDB  tables, as well as to generate a file listing any orphaned parts. It is sometimes useful in diagnosing and repairing corrupted or damaged NDB  tables containing BLOB  or TEXT  columns. 

The basic syntax for ndb_blob_tool  is shown here: 

ndb_blob_tool [ options ] table  [ column , ...] 

