Hi Kevin, I'm sure the firewalld are disabled on each host.
Well, the network is not a problem. The servers are connected to the same switch and the connection is good when the osds are marked as down. There was no interruption or delay. I restart the leader monitor daemon and it seems return to the normal state. Thanks. Kevin Olbrich <[email protected]> 于2019年3月12日周二 下午5:44写道： > Are you sure that firewalld is stopped and disabled? > Looks exactly like that when I missed one host in a test cluster. > > Kevin > > > Am Di., 12. März 2019 um 09:31 Uhr schrieb Zhenshi Zhou < > [email protected]>: > >> Hi, >> >> I deployed a ceph cluster with good performance. But the logs >> indicate that the cluster is not as stable as I think it should be. >> >> The log shows the monitors mark some osd as down periodly: >> [image: image.png] >> >> I didn't find any useful information in osd logs. >> >> ceph version 13.2.4 mimic (stable) >> OS version CentOS 7.6.1810 >> kernel version 5.0.0-2.el7 >> >> Thanks. >> _______________________________________________ >> ceph-users mailing list >> [email protected] >> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >> >
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