Hi, when i do ceph osd df, some osd returns null size. For example : 0 hdd 7.27699 1.00000 0B 0B 0B 0B 0B 0B 0 0 29 1 hdd 7.27698 1.00000 0B 0B 0B 0B 0B 0B 0 0 23 11 ssd 0.50000 1.00000 0B 0B 0B 0B 0B 0B 0 0 49 2 hdd 7.27699 1.00000 0B 0B 0B 0B 0B 0B 0 0 30 4 hdd 7.27699 1.00000 0B 0B 0B 0B 0B 0B 0 0 37 12 ssd 0.50000 1.00000 0B 0B 0B 0B 0B 0B 0 0 39 7 hdd 24.55698 1.00000 24.6TiB 663GiB 663GiB 0B 0B 23.9TiB 2.64 0.79 302 42 hdd 10.69179 1.00000 10.7TiB 346GiB 344GiB 30.0MiB 1.13GiB 10.4TiB 3.16 0.95 98 43 hdd 10.69179 1.00000 10.7TiB 357GiB 355GiB 49.1MiB 1.17GiB 10.3TiB 3.26 0.98 131 44 hdd 10.69179 1.00000 10.7TiB 298GiB 297GiB 30.4MiB 1.05GiB 10.4TiB 2.72 0.81 92 45 hdd 10.69179 1.00000 10.7TiB 342GiB 341GiB 26.6MiB 1.11GiB 10.4TiB 3.12 0.94 105 40 ssd 0.87270 1.00000 894GiB 180GiB 179GiB 33.5MiB 990MiB 714GiB 20.10 6.02 53 41 ssd 0.87270 1.00000 894GiB 254GiB 253GiB 39.0MiB 1.00GiB 640GiB 28.38 8.50 61 46 ssd 0.87270 1.00000 894GiB 255GiB 254GiB 26.8MiB 1.03GiB 639GiB 28.55 8.55 76 3 hdd 24.55699 1.00000 24.6TiB 537GiB 536GiB 67.9MiB 1.36GiB 24.0TiB 2.14 0.64 252 do you know where it might come from ? Thanks. -- Julien Lenseigne Responsable informatique LMD Tel: 0169335172 Ecole Polytechnique, route de saclay, 91128 Palaiseau Bat 83 - Bureau 83.30.13