Re: How to remove mds from cluster

[debian Only <onlydebian@xxxxxxxxx>]

ceph 0.87 , Debian 7.5,   anyone can help ?

2014-12-29 20:03 GMT+07:00 debian Only <onlydebian@xxxxxxxxx>:

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 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 '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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