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From:Sowmya Dass Date:April 30 2014 11:39am
Subject:MySQL Cluster Manager 1.3.1 has been released
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Dear MySQL users,

  MySQL Cluster Manager 1.3.1, has been released and can be downloaded from
  Oracle Software Delivery Cloud at It is also
  available for download from the My Oracle Support (MOS) website.

  MySQL Cluster Manager is an optional component of MySQL Cluster Carrier
  Grade Edition - providing a command-line-interface that automates common
  management tasks. These include these on-line operations:
   - Configuring and starting MySQL Cluster
   - Upgrades
   - Addition of new nodes
   - Configuration changes
   - Backup and restore
  MySQL Cluster Manager is a commercial extension.
  More details can be found at

  A brief summary of changes in MySQL Cluster Manager version 1.3.1 is 

    Functionality Added or Changed

      * Client; Important Change: Added the import config command.
        This command simplifies the process of importing a previously
        autonomous MySQL Cluster into MySQL Cluster Manager by
        importing automatically most of the cluster's configuration
        data into the cluster definition that has been created as part
        of the import process, eliminating the need for reading of
        configuration files and SHOW VARIABLES output and issuing of most
        set commands needed to prepare a cluster for import.
        This command also supports a --dryrun option (short form: -y)
        for testing purposes.
        You should note that any nonstandard ports used by ndb_mgmd or
        mysqld processes in the existing MySQL Cluster must be
        configured manually (using set) for the corresponding
        processes in the target cluster before trying to use import
        cluster to import the wild cluster's data.
        For more information, see The import config Command

        and Importing MySQL Clusters into MySQL Cluster Manager

      * Client: The --import option for create cluster now enables
        assignment of node ID values less than 49 for ndb_mgmd,
        mysqld, and ndbapi processes. The create cluster command used
        without this option continues to enforce the rule that
        processes that are not data node processes must have node IDs
        greater than 48. (Bug #18181039)

    Bugs Fixed

      * Agent: When executing backup cluster and abort backup with
        --waitstarted commands in succession, it was possible in some
        circumstances for the agent to use the wrong backup ID
        internally. (Bug #18027413)

      * Client: After performing an initial start of a cluster, the
        cluster is no longer aware of any backup IDs that have
        previously been used. If you take a new backup of the cluster
        afterwards without specifying a backup ID, the cluster tries
        to use 1 as the ID for the first such backup, even if you
        restored the cluster from a backup having 1 as its ID, which
        results in an error. This is expected behavior, for which
        there are at least 2 workarounds:

          1. Move or rename the backup files following the

          2. Execute the backup cluster command using the --backupid
             option, to specify a backup ID that is not already in
        Issues arose in such cases because the error message returned
        was not sufficiently descriptive, and it could be difficult to
        determine the true nature of the problem without reading the
        management server and cluster log files. Now the error message
        returned in the mcm client makes it clear that the backup
        failed due to collision with an existing backup ID. (Bug

      * Client: Executing the create site command using the names of
        one more hosts on which the MySQL Cluster Manager Agent was
        not running returned ERROR 1002 (00MGR): Agent on host
        <UNKNOWN>: (delivery status does not match current view) is
        unavailable. Now in such cases, the name of each host lacking
        an agent is included as part of the error message. (Bug

      * Client: Attempting to set any of the mysqld configuration
        attributes relating to the thread pool plugin (see Thread Pool
        Components and Installation
        including thread_pool_algorithm,
        thread_pool_max_unused_threads, thread_pool_prio_kickup_timer,
        thread_pool_size, and thread_pool_stall_limit---failed with
        the error No such configuration parameter ... for process
        mysqld. (Bug #18127968)

  You can also find more information on the contents of this release in
  the change log: 

  The user manual can be found at:

  Your feedback is greatly appreciated!

  Please report any problems you have at


  On Behalf of the MySQL/ORACLE RE Team,
  Sowmya Dass
MySQL Cluster Manager 1.3.1 has been releasedSowmya Dass30 Apr