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##################################osd heartbeat interval = 0############################
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Unable to perform Ceph OSD Heartbeat Operation (Thread::osd_srv_heartbt), while "osd heartbeat interval" is set to 0.
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[root@ceph-server ~]# ceph osd tree
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ID WEIGHT TYPE NAME UP/DOWN REWEIGHT PRIMARY-AFFINITY
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-1 3.00000 root default
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-2 3.00000 host ceph-server
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0 1.00000 osd.0 up 1.00000 1.00000
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1 1.00000 osd.1 down 0 1.00000
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2 1.00000 osd.2 down 0 1.00000
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[root@ceph-server ~]# ceph health
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HEALTH_ERR 323 pgs are stuck inactive for more than 300 seconds; 4 pgs degraded; 42 pgs peering; 281 pgs stale; 4 pgs stuck degraded; 42 pgs stuck inactive; 281 pgs stuck stale; 46 pgs stuck unclean; 4 pgs stuck undersized; 4 pgs undersized; recovery 10/2174 objects degraded (0.460%); too many PGs per OSD (597 > max 300)
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[root@ceph-server ~]#
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#########################################################################################
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osd_srv_heartbt
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osd_heartbeat_interval
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Perform Ceph OSD Heartbeat Operation continuously without any delay, while "osd heartbeat interval" is set to any negative value.
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##################################osd heartbeat interval = -1############################
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Perform Ceph OSD Heartbeat Operation (Thread::osd_srv_heartbt) continuously without any delay, while "osd heartbeat interval" is set to any negative value (-1 is set here)
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[root@ceph-server ~]# ceph osd tree
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ID WEIGHT TYPE NAME UP/DOWN REWEIGHT PRIMARY-AFFINITY
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-1 3.00000 root default
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-2 3.00000 host ceph-server
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0 1.00000 osd.0 up 1.00000 1.00000
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1 1.00000 osd.1 up 1.00000 1.00000
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2 1.00000 osd.2 up 1.00000 1.00000
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[root@ceph-server ~]# ceph health
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HEALTH_OK
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#########################################################################################
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