Re: Very unbalanced osd data placement with differing sized devices

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Yeah - I'm *guessing* that my use of a 5G volume is essentially 'underflowing' the auto weight assignment.

On 17/10/13 16:28, David Zafman wrote:
I may be wrong, but I always thought that a weight of 0 means don't put anything there.  All weights > 0 will be looked at proportionally.

See http://ceph.com/docs/master/rados/operations/crush-map/ which recommends higher weights anyway:



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