No disks unused when installing the ceph

abrahamm

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Sep 21, 2021
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I am trying to install the ceph in 2 nodes of the cluster to make a mirror node, and when the ceph finishes the OSD disk storage is not created, when creating it manually it gives me the following error, what can be happening? I need help please and thank you very much for your attention
 

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Hi,
for Ceph you need at least 3 nodes. It's highly discouraged to run Ceph when you only have two nodes. If no disks are detected as unused, it probably means that there is some left-over data on it. See the Disks panel for more information.