Technologies/Ceph/ceph_count_mons
CephCephMetric

ceph_count_mons

Number of monitor daemons
Dimensions:None
Available on:DatadogDatadog (1)
Interface Metrics (1)
DatadogDatadog
Number of monitor daemons
Dimensions:None
Sources
ceph.num_monsgithub.com
Related Insights (2)
Clock Skew Breaks Monitor Quorum and Cluster Operationscritical

Monitor clock drift exceeding 50ms (default mon_clock_drift_allowed) causes monitors to mark each other as down, breaking quorum and preventing cluster operations. This manifests as monitors being out of quorum despite being healthy.

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Monitor Store Growth Causes Query Delayswarning

When the monitor store (RocksDB database) grows excessively large (default warning at 15GB), monitor queries slow down, potentially causing client timeouts and leader election delays. If /var partition fills completely, monitors terminate.

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