Ceph » RADOS

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Observation -1

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[root@ceph-server ~]# vi /etc/ceph/ceph.conf <=== set "osd heartbeat interval" to -898

[root@ceph-server ~]# systemctl restart ceph-mon@ceph-server

[root@ceph-server ~]# ceph daemon /var/run/ceph/ceph-mon.*.asok config show > k

[root@ceph-server ~]# vim k

"osd_heartbeat_interval": "-898", <======= Negative value is accepted here which is not feasible

"osd_heartbeat_grace": "-324", <======= Negative value is accepted here which is not feasible

Remark : There should be an error handling for negative value

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Observation -2

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[root@ceph-server ~]# vi /etc/ceph/ceph.conf <=== set "osd heartbeat interval" to 1BG3

[root@ceph-server ~]# systemctl restart ceph-mon@ceph-server

[root@ceph-server ~]# ceph daemon /var/run/ceph/ceph-mon.*.asok config show > k

[root@ceph-server ~]# vim k

"osd_heartbeat_interval": "6", <======= The behavior is as per expectation

"osd_heartbeat_grace": "20",