Failed to deploy Ceph Hammer(0.94.2) MDS

[Hou Wa Cheung <howardzhanghaohua@xxxxxxxxx>]

Hi cephers,

I am using CephFS on AWS as persistent shared storage.

Last night, I upgraded to Hammer(v0.94.2) from Firefly, I cannot enable MDS service.

Here is the log of MDS service: 

2015-07-22 02:25:08.284564 7f8417d2c7c0  0 ceph version 0.94.2 (5fb85614ca8f354284c713a2f9c610860720bbf3), process ceph-mds, pid 817

starting mds.node-01 at :/0

2015-07-22 02:25:08.288355 7f8417d2c7c0 -1 mds.-1.0 log_to_monitors {default=true}

I cannot figure out anything from this log, such that I trun to monitor's log. 

Here is the log of Monitor:

...

2015-07-22 02:25:07.163649 7f1f0765d700  0 mon.node-01@0(leader) e1 handle_command mon_command({"prefix": "auth get-or-create", "entity": "mds.vos-node-01", "caps": ["mds", "allow", "osd", "allow *", "mon", "allow *"]} v 0) v1

2015-07-22 02:25:07.163686 7f1f0765d700  0 log_channel(audit) log [INF] : from='client.4142 :/0' entity='client.admin' cmd=[{"prefix": "auth get-or-create", "entity": "mds.node-01", "caps": ["mds", "allow", "osd", "allow *", "mon", "allow *"]}]: dispatch

2015-07-22 02:25:07.200885 7f1f08e60700  0 log_channel(audit) log [INF] : from='client.4142 :/0' entity='client.admin' cmd='[{"prefix": "auth get-or-create", "entity": "mds.node-01", "caps": ["mds", "allow", "osd", "allow *", "mon", "allow *"]}]': finished

2015-07-22 02:25:07.379095 7f1f0765d700  1 mon.node-01@0(leader).mds e1 warning, MDS mds.? 10.0.10.111:6804/823 up but filesystem disabled

Any idea what is happening to MDS? and how to fix this?

Thanks,

Houwa Cheung

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