WebJul 15, 2024 · cluster: id: 0350c95c-e59a-11eb-be4b-52540085de8c health: HEALTH_WARN 1 MDSs report slow metadata IOs Reduced data availability: 64 pgs … WebUpon investigation, it > appears that the OSD process on one of the Ceph storage nodes is stuck, but > ping is still responsive. However, during the failure, Ceph was unable to > recognize the problematic node, which resulted in all other OSDs in the > cluster experiencing slow operations and no IOPS in the cluster at all.
Monitoring a Cluster — Ceph Documentation
WebBug 1929565 - ceph cluster health is in not OK,Degraded data redundancy, pgs ... health is not OK. Health: HEALTH_WARN 1 OSDs or CRUSH {nodes, device-classes} have {NOUP,NODOWN,NOIN,NOOUT} flags set; Degraded data redundancy: 326/978 objects degraded (33.333%), 47 pgs degraded, 96 pgs undersized Expected results: ceph … WebMay 13, 2024 · 2024-05-08 04:00:00.000194 mon.prox01 [WRN] overall HEALTH_WARN 268/33624 objects misplaced (0.797%); Degraded data redundancy: 452/33624 … prof. dr. thilo deckersbach
Re: [ceph-users] MDS does not always failover to hot standby on …
WebDuring resiliency tests we have an occasional problem when we >>> reboot the active MDS instance and a MON instance together i.e. >>> dub-sitv-ceph-02 and dub-sitv-ceph-04. … WebPG_DEGRADED. Data redundancy is reduced for some data, meaning the storage cluster does not have the desired number of replicas for for replicated pools or erasure code … WebOSD_DOWN. One or more OSDs are marked down. The ceph-osd daemon may have been stopped, or peer OSDs may be unable to reach the OSD over the network. Common causes include a stopped or crashed daemon, a down host, or a network outage. Verify the host is healthy, the daemon is started, and network is functioning. religious revolutions in history