Hello, I have been googling for the answer to this and not found it. Does anyone know this? Where does CEPH store the crush map and the critical cluster metadata? What prevents a loss of this metadata when a node is lost? -- Thank you for your time, Edward H. Kalk IV Information Technology Dept. Server Specialist Datacenter Virtualization and Storage Systems Socket Telecom, LLC. 2703 Clark Lane Columbia, MO 65202 573-817-0000 or 800-socket3 X218