MapR: Step 1. Generate and Update the Default UUID in Appliances

Document created by RSA Information Design and Development on Jul 26, 2016
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This topic provides instructions on how to manually generate and update the default UUID on the Appliances in the cluster.

Procedure

You need to manually generate and update the default UUID on the Appliances in the cluster. The UUID should be unique to the Appliance in the cluster.

To generate and update the default UUID in the Appliance:

  1. Log on to the Appliance as root user.
  2. To generate the UUID and copy it in the proper files, type the following commands:
    • /opt/mapr/server/mruuidgen > /opt/mapr/hostid
    • cp /opt/mapr/hostid /opt/mapr/server/hostid.xxxxx
    Where, xxxxx refers to the 5-digit number randomly assigned to the existing file.

    Note: Review /opt/mapr/server for the full name of this file.

  3. To restart the appliance, enter the following command:
    reboot
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