There is only a simple iptables conntrack there Could it be something related to timeout ? /proc/sys/net/netfilter/nf_conntrack_tcp_timeout_established has 7875 currently Best regards, On 12/05/2018 02:47 AM, Yan, Zheng wrote: > > This is more like network issue. check if there is firewall between > mds and client > _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com