Mount error 5 while mounting cephfs

[Sridhar Mahadevan <msridhar87@xxxxxxxxx>]

Hi,

I have deployed the ceph object store using ceph-deploy.

I tried to mount cephfs and I got struck with this error.

sudo mount.ceph 192.168.35.82:/ /mnt/mycephfs -o name=admin,secret=AQDa5JJRqLxuOxAA77VljIjaAGWR6mGdL12NUQ==

mount error 5 = Input/output error

The output of the command

# ceph -s

   health HEALTH_WARN 64 pgs degraded; mds cluster is degraded; mds blade2-qq is laggy
   monmap e1: 1 mons at {blade2-qq=192.168.35.82:6789/0}, election epoch 1, quorum 0 blade2-qq
   osdmap e56: 4 osds: 4 up, 4 in
   pgmap v834: 192 pgs: 128 active+clean, 64 active+clean+degraded; 0 bytes data, 50871 MB used, 437 GB / 513 GB avail
   mdsmap e6457: 1/1/1 up {0=blade2-qq=up:replay(laggy or crashed)}

As it says the MDS has crashed. I dont see ceph-mds running in the MDS_Node.

I executed ceph-deploy mds create <mds_node>  and this starts the ceph-mds daemon in the mds_node, but I see that the ceph-mds daemon crashes after sometime.

Kindly help me on this issue.

--
--sridhar

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