Daily Archives: May 11, 2017

Ceph space lost due to overweight CRUSH items

When a CRUSH bucket contains five Ceph OSDs with the following weights: weight osd.0 5 osd.1 1 osd.2 1 osd.3 1 osd.4 1 20% of the space in osd.0 will never be used by a pool with two replicas. The … Continue reading

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