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Hi cephers.
I have typical double root crush - for
nvme pools and hdd pools created on Kraken cluster (what I mean:
http://cephnotes.ksperis.com/blog/2015/02/02/crushmap-example-of-a-hierarchical-cluster-map). Now cluster upgraded to Luminous and going
to devices classes crush rules and I looking for experience. 1. Enable new crush rule with
devices-class is safe for data and clients? 2. How much data movement? Should I be ready
for slow requests?
k |
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