i want to move mds from one host to another. how to do it ?
what did i do as below, but ceph health not ok, mds was not removed : *root@ceph06-vm:~# ceph mds rm 0 mds.ceph06-vm * *mds gid 0 dne* *root@ceph06-vm:~# ceph health detail* *HEALTH_WARN mds ceph06-vm is laggy* *mds.ceph06-vm at 192.168.123.248:6800/4350 <http://192.168.123.248:6800/4350> is laggy/unresponsive* *root@ceph06-vm:~# ceph mds dump* *dumped mdsmap epoch 62* *epoch 62* *flags 0* *created 2014-08-19 20:57:33.736901* *modified 2014-12-29 04:43:04.907600* *tableserver 0* *root 0* *session_timeout 60* *session_autoclose 300* *max_file_size 1099511627776* *last_failure 0* *last_failure_osd_epoch 567* *compat compat={},rocompat={},incompat={1=base v0.20,2=client writeable ranges,3=default file layouts on dirs,4=dir inode in separate object,5=mds uses versioned encoding,6=dirfrag is stored in omap,8=no anchor table}* *max_mds 1* *in 0* *up {0=2393640}* *failed* *stopped* *data_pools 0* *metadata_pool 1* *inline_data disabled* *2393640: 192.168.123.248:6800/4350 <http://192.168.123.248:6800/4350> 'ceph06-vm' mds.0.8 up:active seq 6 laggy since 2014-12-29 04:25:52.307468* *root@ceph06-vm:~# ceph mds newfs 1 0 --yes-i-really-mean-it filesystem 'cephfs' already exists*
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