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Ceph Cookbook - Second Edition by Karan Singh, Michael Hackett, Vikhyat Umrao

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Starting and stopping a specific daemon

To start or stop a specific Ceph daemon, perform the following set of commands:

Starting a specific daemon by instance:

To start a specific daemon on a local host, execute the systemd manager with the start command followed by the {daemon_type}@{id/hostname}, for example:

  1. Start the mon.0 daemon:
root@ceph-node1 # systemctl start ceph-mon@ceph-node1
  1. Similarly, you can start other daemons and their instances:
root@ceph-node1 # systemctl start ceph-osd@1root@ceph-node1 # systemctl -H ceph-node2 start ceph-mon@ceph-node2root@rgw-node1 # systemctl stop ceph-radosgw@rgw-node1

Stopping a specific daemon by instance:

To stop a specific daemon on the local host, execute the systemd manager with the stop ...

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