I have build CEPH Cluster using "ceph version 14.2.8 nautilus". We observe continuous crash of "MON & MGR" service and healing automatically and the following error has been generated for MON service. Though the problem heals automatically but we need to know the reason of the problem. "utsname_hostname": "mon1", "assert_msg": "/build/ceph-14.2.8/src/common/ceph_time.h: In function 'ceph::time_detail::timespan ceph::to_timespan(ceph::time_detail::signedspan)' thread 7fbee0e3c700 time 2020-05-29 05:51:40.385068\n/build/ceph-14.2.8/src/common/ceph_time.h: 485: FAILED ceph_assert(z >= signedspan::zero())\n", "crash_id": "2020-05-28_23:51:40.391577Z_9fcf058c-d03a-41a2-91bb-293f0a7763bd", "assert_func": "ceph::time_detail::timespan ceph::to_timespan(ceph::time_detail::signedspan)", "ceph_version": "14.2.8" } -- Regards, *Mosharaf Hossain* Product Development IT Division Bangladesh Export Import IT Division (BEXIMCO) _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx