title: kubernetes ceph Storage Classes for Dynamic Provisioning executable file not found in $PATH
body: <p>I am running local ceph (version 10.2.7) and kubernetes v1.6.5 in separate cluster. Using PV and PVM Claim I was about mount the rbd device to the pod.</p>
  
  <p>When I configure to use ceph Storage Classes for Dynamic Provisioning. its giving the below error for pvclaim.</p>
  
  <pre><code>E0623 00:22:30.520160       1 rbd.go:317] rbd: create volume failed, err: failed to create rbd image: executable file not found in $PATH, command output:
  W0623 00:22:45.513291       1 rbd_util.go:364] failed to create rbd image, output
  E0623 00:22:45.513308       1 rbd.go:317] rbd: create volume failed, err: failed to create rbd image: executable file not found in $PATH, command output:
  W0623 00:22:45.516768       1 rbd_util.go:364] failed to create rbd image, output
  E0623 00:22:45.516830       1 rbd.go:317] rbd: create volume failed, err: failed to create rbd image: executable file not found in $PATH, command output:
  </code></pre>
  
  <p>I have installed ceph comman package on all the kuberernets cluster nodes. all the node running centos 7 OS.</p>
  
  <p>How can I fix this error message?</p>
  
  <p>Thanks
  SR</p>