We started the deployment of overcloud stack where as all nodes (physical & virtual) are up and running with respective boot images except the Ceph Nodes.
During investigation, from the ipmi console found that Ceph Nodes are not booting from the C-Drives that is the RAID1 virtual drive.
After the very first pxe boot it boots normally and back with the RHEV image, that is the Ceph nodes Cdrives are not even written by their respective OS images.
RAID 1 virtual disk from backend storage
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