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Learning Ceph - Second Edition by Karan Singh, Vaibhav Bhembre, Anthony D'Atri

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Ceph manager

The Kraken release brought the debut of the Ceph Manager daemon (ceph-mgr), which runs alongside the MONs to provide cluster-wide services via a plugin architecture. While exploitation of ceph-mgr is still nascent, it has much potential:

  • Management of drive and chassis status/locator LEDs
  • Creating and managing a map of clients such as rbd-mirror and RADOS Gateway, which were previously less well-integrated
  • Holistic management of Ceph's scrubs
  • Richer management of reweighting and rebalancing operations.
  • Integration with external inventory systems such as RackTables, NetBox, HP SIM, and Cisco UCS Manager
  • Interface for monitoring/metrics systems such as Nagios, Icinga, Graphite, and Prometheus
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