On Thu, 22 Nov 2018 12:05:12 +0100 Marco Gaiarin <gaio@xxxxxxxxx> wrote: > Mandi! Paweł Sadowsk > In chel di` si favelave... > > > We did similar changes a many times and it always behave as > > expected. > > Ok. Good. > > > Can you show you crushmap/ceph osd tree? > > Sure! > > root@blackpanther:~# ceph osd tree > ID WEIGHT TYPE NAME UP/DOWN REWEIGHT > PRIMARY-AFFINITY -1 21.83984 root > default -2 5.45996 host > capitanamerica 0 1.81999 osd.0 up > 1.00000 1.00000 1 1.81999 osd.1 up > 1.00000 1.00000 10 0.90999 osd.10 up > 1.00000 1.00000 11 0.90999 osd.11 up > 1.00000 1.00000 -3 5.45996 host > vedovanera 2 1.81999 osd.2 up > 1.00000 1.00000 3 1.81999 osd.3 up > 1.00000 1.00000 4 0.90999 osd.4 up > 1.00000 1.00000 5 0.90999 osd.5 up > 1.00000 1.00000 -4 5.45996 host > deadpool 6 1.81999 osd.6 up 1.00000 > 1.00000 7 1.81999 osd.7 up 1.00000 > 1.00000 8 0.90999 osd.8 up 1.00000 > 1.00000 9 0.90999 osd.9 up 1.00000 > 1.00000 -5 5.45996 host > blackpanther 12 1.81999 osd.12 up > 0.04999 1.00000 13 1.81999 osd.13 up > 0.04999 1.00000 14 0.90999 osd.14 up > 0.04999 1.00000 15 0.90999 osd.15 up > 0.04999 1.00000 > > OSD 12-15 are the new OSD; after creating it with 'noin' i've > reweighted them to '0.05' (to make a test). > > > Crush map attached. Thanks. When an osd is added, even with the noin flag, weight of the host is changed, which trigers rebalance. Instead of the noin flag, set 'osd crush initial weight = 0' in ceph.conf. -- Pozdrawiam Jarosław Mociak - Nettelekom GK Sp. z o.o.
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