Hi All,

I have four node ceph cluster.  I have another three node setup for openstack.  
I have integrated Ceph with openstack.
Whenever I try to create storage with ceph as storage backend for the openstack 
 vm,  the creation process goes on forever in the horizon dashboard.
It never completes. Also when attaching the ceph  volume to the VM in 
openstack, it freezes and goes on forever without completion.

To investigate this issue, I typed the 'ceph -s' command on the ceph nodes.  
The health of ceph cluster  is in warning state.  It says it detected clock skew
on two of the nodes.   Is this time synchronization the reason beyond the VM 
freezing while attaching volumes to VMs ?


Thanks
Kumar

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