Thanks I will try to set the weight-set for the new OSDs
But I am wondering what I did wrong to be in such scenario. Is it normal that a new created OSD has no weight-set defined ? Who is supposed to initially set the weight-set for a OSD ? Thanks again, MAssimo On Thu, Mar 14, 2019 at 6:52 AM Konstantin Shalygin <k0...@k0ste.ru> wrote: > On 3/14/19 12:42 PM, Massimo Sgaravatto wrote: > > [root@c-mon-01 /]# ceph osd df tree > > ID CLASS WEIGHT REWEIGHT SIZE USE AVAIL %USE VAR PGS TYPE > > NAME > > -1 1.95190 - 1.95TiB 88.4GiB 1.87TiB 0 0 - root > > default > > -2 0 - 0B 0B 0B 0 0 - rack > > Rack15-PianoAlto > > -3 0.39038 - 400GiB 18.9GiB 381GiB 4.74 1.07 - > > host c-osd-1 > > 0 hdd 0.09760 1.00000 100GiB 5.42GiB 94.5GiB 5.43 1.23 77 > > osd.0 > > 1 hdd 0.09760 1.00000 100GiB 2.65GiB 97.3GiB 2.65 0.60 71 > > osd.1 > > 2 hdd 0.09760 1.00000 100GiB 3.68GiB 96.3GiB 3.68 0.83 66 > > osd.2 > > 3 hdd 0.09760 1.00000 100GiB 7.19GiB 92.8GiB 7.19 1.63 62 > > osd.3 > > -4 0.39038 - 400GiB 17.0GiB 383GiB 4.24 0.96 - > > host c-osd-2 > > 4 hdd 0.09760 1.00000 100GiB 7.54GiB 92.4GiB 7.55 1.71 70 > > osd.4 > > 5 hdd 0.09760 1.00000 100GiB 3.36GiB 96.6GiB 3.36 0.76 71 > > osd.5 > > 6 hdd 0.09760 1.00000 100GiB 54.1MiB 99.9GiB 0.05 0.01 67 > > osd.6 > > 7 hdd 0.09760 1.00000 100GiB 6.01GiB 93.9GiB 6.01 1.36 59 > > osd.7 > > -5 0.39038 - 400GiB 20.7GiB 379GiB 5.17 1.17 - > > host c-osd-3 > > 8 hdd 0.09760 1.00000 100GiB 6.70GiB 93.2GiB 6.71 1.52 63 > > osd.8 > > 9 hdd 0.09760 1.00000 100GiB 4.93GiB 95.0GiB 4.94 1.12 70 > > osd.9 > > 10 hdd 0.09760 1.00000 100GiB 4.11GiB 95.8GiB 4.11 0.93 71 > > osd.10 > > 11 hdd 0.09760 1.00000 100GiB 4.92GiB 95.0GiB 4.92 1.11 59 > > osd.11 > > -11 0.78076 - 800GiB 31.8GiB 768GiB 3.98 0.90 - > > host c-osd-5 > > 12 hdd 0.09760 1.00000 100GiB 4.39GiB 95.6GiB 4.39 0.99 47 > > osd.12 > > 13 hdd 0.09760 1.00000 100GiB 4.48GiB 95.5GiB 4.48 1.01 41 > > osd.13 > > 14 hdd 0.09760 1.00000 100GiB 3.69GiB 96.3GiB 3.69 0.84 45 > > osd.14 > > 15 hdd 0.09760 1.00000 100GiB 3.63GiB 96.4GiB 3.63 0.82 39 > > osd.15 > > 16 hdd 0.09760 1.00000 100GiB 3.48GiB 96.5GiB 3.48 0.79 47 > > osd.16 > > 17 hdd 0.09760 1.00000 100GiB 4.35GiB 95.6GiB 4.35 0.98 44 > > osd.17 > > 18 hdd 0.09760 1.00000 100GiB 3.57GiB 96.4GiB 3.57 0.81 46 > > osd.18 > > 19 hdd 0.09760 1.00000 100GiB 4.23GiB 95.8GiB 4.23 0.96 37 > > osd.19 > > TOTAL 1.95TiB 88.4GiB 1.87TiB 4.42 > > MIN/MAX VAR: 0.01/1.71 STDDEV: 1.64 > > [root@c-mon-01 /]# > > I think you need to remove your compat weight set via `osd crush > weight-set rm-compat` and switch to upmap balancer mode. > > Or instead this you can just add your new osds to this set via `osd > crush weight-set reweight-compat <osd> <weight>`. > > > > k > >
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