If I want to remove an osd, I use 'ceph out' before taking it down, i.e. 
stopping the OSD process, and removing the disk.

How do I (preferably programatically) tell when it is safe to stop the OSD 
process? The documentation says 'ceph -w', which is not especially helpful, (a) 
if I want to do it programatically, or (b) if there are other problems in the 
cluster so ceph was not reporting HEALTH_OK to start with.

Is there a better way?

-- 
Alex Bligh




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