Ceph monitors
E699777
Ceph monitors are core daemons in a Ceph storage cluster responsible for maintaining cluster maps, managing membership and quorum, and ensuring overall cluster health and consistency.
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
Ceph daemon
ⓘ
distributed system component ⓘ |
| belongsTo |
Ceph control daemons
ⓘ
control plane of Ceph cluster ⓘ |
| communicatesWith |
Ceph MDS daemons
ⓘ
Ceph OSD daemons ⓘ Ceph clients NERFINISHED ⓘ Ceph manager daemons ⓘ |
| coordinates |
CRUSH map updates
ⓘ
OSD map updates ⓘ placement group state transitions ⓘ |
| detects | OSD failures ⓘ |
| ensures | strong consistency of cluster maps ⓘ |
| exposes | monitoring information via admin interfaces ⓘ |
| hasRole |
ensure cluster consistency
ⓘ
ensure cluster health ⓘ maintain cluster maps ⓘ manage cluster membership ⓘ manage quorum ⓘ |
| implements | consensus protocol ⓘ |
| isDocumentedIn | Ceph official documentation ⓘ |
| isImplementedIn | Ceph open-source project NERFINISHED ⓘ |
| isRequiredFor |
Ceph cluster bootstrap
ⓘ
Ceph cluster operation ⓘ |
| maintains |
CRUSH map
ⓘ
MDS map ⓘ MON map ⓘ OSD map ⓘ PG map ⓘ |
| partOf | Ceph storage cluster NERFINISHED ⓘ |
| persists | cluster maps to local storage ⓘ |
| provides |
authentication service via CephX
ⓘ
cluster map to clients ⓘ |
| requires |
odd number of monitor daemons for quorum robustness
ⓘ
quorum to make authoritative decisions ⓘ |
| runsOn | cluster nodes ⓘ |
| stores |
cluster configuration
ⓘ
cluster state ⓘ |
| supports | high availability through replication ⓘ |
| tracks | cluster epoch changes ⓘ |
| triggers |
rebalancing operations
ⓘ
recovery operations ⓘ |
| uses |
CephX authentication
ⓘ
Paxos NERFINISHED ⓘ |
| validates | cluster configuration changes ⓘ |
| versionedBy | monmap epoch numbers ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.