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10.5. Starting Geo-replication on a Newly Added Brick

10.5.1. Starting Geo-replication for a New Brick on a New Node
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If a geo-replication session is running, and a brick is added to the volume on a newly added node in the trusted storage pool, then you must perform the following steps to start the geo-replication daemon on the new node:

Starting Geo-replication for a New Brick on a New Node

  1. Run the following command on the master node where password-less SSH connection is configured, in order to create a common pem pub file. 
    # gluster system:: execute gsec_create
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  2. Create the geo-replication session using the following command. The push-pem and force options are required to perform the necessary pem-file setup on the slave nodes. 
    # gluster volume geo-replication MASTER_VOL SLAVE_HOST::SLAVE_VOL create push-pem force# gluster volume geo-replication MASTER_VOL SLAVE_HOST::SLAVE_VOL create push-pem force# gluster volume geo-replication MASTER_VOL SLAVE_HOST::SLAVE_VOL create push-pem force# gluster volume geo-replication MASTER_VOL SLAVE_HOST::SLAVE_VOL create push-pem force# gluster volume geo-replication MASTER_VOL SLAVE_HOST::SLAVE_VOL create push-pem force# gluster volume geo-replication MASTER_VOL SLAVE_HOST::SLAVE_VOL create push-pem force
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    For example: 
    # gluster volume geo-replication master-vol example.com::slave-vol create push-pem force
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    Note

    There must be password-less SSH access between the node from which this command is run, and the slave host specified in the above command. This command performs the slave verification, which includes checking for a valid slave URL, valid slave volume, and available space on the slave.
  3. Start the geo-replication session between the slave and master forcefully, using the following command: 
    # gluster volume geo-replication MASTER_VOL SLAVE_HOST::SLAVE_VOL start force# gluster volume geo-replication MASTER_VOL SLAVE_HOST::SLAVE_VOL start force# gluster volume geo-replication MASTER_VOL SLAVE_HOST::SLAVE_VOL start force# gluster volume geo-replication MASTER_VOL SLAVE_HOST::SLAVE_VOL start force# gluster volume geo-replication MASTER_VOL SLAVE_HOST::SLAVE_VOL start force# gluster volume geo-replication MASTER_VOL SLAVE_HOST::SLAVE_VOL start force
    Copy to Clipboard Toggle word wrap
  4. Verify the status of the created session, using the following command: 
    # gluster volume geo-replication MASTER_VOL SLAVE_HOST::SLAVE_VOL status# gluster volume geo-replication MASTER_VOL SLAVE_HOST::SLAVE_VOL status# gluster volume geo-replication MASTER_VOL SLAVE_HOST::SLAVE_VOL status# gluster volume geo-replication MASTER_VOL SLAVE_HOST::SLAVE_VOL status# gluster volume geo-replication MASTER_VOL SLAVE_HOST::SLAVE_VOL status# gluster volume geo-replication MASTER_VOL SLAVE_HOST::SLAVE_VOL status
    Copy to Clipboard Toggle word wrap
When adding a brick to the volume on an existing node in the trusted storage pool with a geo-replication session running, the geo-replication daemon on that particular node will automatically be restarted. The new brick will then be recognized by the geo-replication daemon. This is an automated process and no configuration changes are required.
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