Re: Cannot mount Ceph FS

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On Thu, Jun 29, 2017 at 12:26 PM, Riccardo Murri
<riccardo.murri@xxxxxxxxx> wrote:
> Hello!
>
> I tried to create and mount a filesystem using the instructions at
> <http://docs.ceph.com/docs/master/cephfs/createfs/> and
> <http://docs.ceph.com/docs/master/cephfs/kernel> but I am getting
> errors:
>
> $ sudo ceph fs new cephfs cephfs_metadata cephfs_data
> new fs with metadata pool 1 and data pool 2
> $ sudo ceph mds stat
> e6: 0/0/1 up
> $ sudo mount -t ceph mds001:/ /mnt -o
> name=admin,secretfile=/etc/ceph/client.admin.secret
> mount error 110 = Connection timed out

Unless mds001 happens to also be a mon node, that's the problem -- the
addresses in the mount command are supposed to be the mons.

John

>
> I found this `mds cluster_up` command and thought I need to bring the
> MDS cluster up before using FS functions but I get errors there as
> well:
>
> $ sudo ceph mds cluster_up
> unmarked fsmap DOWN
>
> Still, the cluster does not show any health issue:
>
> $ sudo ceph -s
>     cluster 00baac7a-0ad4-4ab7-9d5e-fdaf7d122aee
>      health HEALTH_OK
>      monmap e1: 1 mons at {mon001=172.23.140.181:6789/0}
>             election epoch 3, quorum 0 mon001
>       fsmap e7: 0/0/1 up
>      osdmap e19: 3 osds: 3 up, 3 in
>             flags sortbitwise,require_jewel_osds
>       pgmap v1278: 192 pgs, 3 pools, 0 bytes data, 0 objects
>             9728 MB used, 281 GB / 290 GB avail
>                  192 active+clean
>
> Any hints?  What I am doing wrong?
>
> Thanks,
> Riccardo
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