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Tendrl / specifications

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tendrl should support shrinking of cluster bu removing nodes or OSD/Bricks #161

Closed shtripat closed 7 years ago

shtripat commented 7 years ago

There are ways to shrink to ceph/gluster cluster

  1. by removing a node from the cluster - in this case all the residing OSDs/Bricks should be ohased out, data moved to other OSDs/Bricks and then node should be brought down and references removed from tendrl
  2. by removing OSDs/Bricks - in this case all the data existing on the OSD/Brick should be moved to others and then it should be removed

tendrl needs to provide provisioning for removal of node pr OSDs/Bricks from an existing cluster.