Re: ceph noout vs ceph norebalance, which is better for minor maintenance

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> * if rebalance will starts due EDAC or SFP degradation, is faster to fix the issue via DC engineers and put node back to work

A judicious mon_osd_down_out_subtree_limit setting can also do this by not rebalancing when an entire node is detected down. 

> * noout prevents unwanted OSD's fills and the run out of space => outage of services

Do you run your clusters very full?
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