Hi Watkins, It could be hit on ceph v14.0.1-2574-gc55dc78903: root@sceph7:~# ceph --version ceph version 14.0.1-2574-gc55dc78903 (c55dc7890316fa1061ce2d34c80270aaa37073c9) nautilus (dev) root@sceph7:~# ceph osd crush tree --format=json-pretty 2019-01-25 20:33:57.630 7f9dc3153700 -1 WARNING: all dangerous and experimental features are enabled. 2019-01-25 20:33:57.650 7f9dc3153700 -1 WARNING: all dangerous and experimental features are enabled. [ { "id": -1, "name": "default", "type": "root", "type_id": 10, "children": [ -2 ] }, { "id": -2, "name": "sceph7", "type": "host", "type_id": 1, "pool_weights": {}, "children": [ 0 ] }, { "id": 0, "device_class": "ssd", "name": "osd.0", "type": "osd", "type_id": 0, "crush_weight": 1.000000, "depth": 2, "pool_weights": {} } ] [] B.R. Changcheng On 19:59 Thu 24 Jan, Noah Watkins wrote: > The output I posted was from v13.2.0. Sorry that wasn't clear. It > should be fixed in 13.2.4. Please let me know if you find otherwise. > > On Thu, Jan 24, 2019 at 5:28 PM Liu, Changcheng > <changcheng.liu@xxxxxxxxx> wrote: > > > > Hi Watkins, > > You can use json-pretty format to show "ceph osd crush tree" result. > > According to your result on 13.2.4, it's not fixed yet. > > Re-format your result below. > > > > On 10:39 Thu 24 Jan, Noah Watkins wrote: > > > This seems to have been fixed in at least v13.2.4. I was able to > > > reproduce it in 13.2.0. > > > > > > [root@minikube /]# ceph osd crush tree --format=json > > > [{"id":-1,"name":"default","type":"root","type_id":10,"children":[-2]},{"id":-2,"name":"minikube","type":"host","type_id":1,"pool_weights":{},"children":[0]},{"id":0,"device_class":"hdd","name":"osd.0","type":"osd","type_id":0,"crush_weight":0.014999,"depth":2,"pool_weights":{}}][][root@minikube > > > /] > > > > [ > > {"id":-1,"name":"default","type":"root","type_id":10,"children":[-2]}, > > {"id":-2,"name":"minikube","type":"host","type_id":1,"pool_weights":{},"children":[0]}, > > {"id":0,"device_class":"hdd","name":"osd.0","type":"osd","type_id":0,"crush_weight":0.014999,"depth":2,"pool_weights":{}} > > ] > > [] > > ==> buggy null list in the end > > > > > > > > > > > > On Thu, Jan 24, 2019 at 5:16 AM Alfredo Deza <adeza@xxxxxxxxxx> wrote: > > > > > > > > On Thu, Jan 24, 2019 at 7:27 AM Liu, Changcheng > > > > <changcheng.liu@xxxxxxxxx> wrote: > > > > > > > > > > Hi Watkins, > > > > > controller-0:~$ ceph --version > > > > > ceph version 13.2.2 (02899bfda814146b021136e9d8e80eba494e1126) mimic (stable) > > > > > controller-0:~$ ceph osd crush tree --format=json-pretty > > > > > > > > > > [ > > > > > { > > > > > "id": -1, > > > > > "name": "storage-tier", > > > > > "type": "root", > > > > > "type_id": 10, > > > > > "children": [ > > > > > -3 > > > > > ] > > > > > }, > > > > > { > > > > > "id": -3, > > > > > "name": "group-0", > > > > > "type": "chassis", > > > > > "type_id": 2, > > > > > "pool_weights": {}, > > > > > "children": [ > > > > > -5, > > > > > -4 > > > > > ] > > > > > }, > > > > > { > > > > > "id": -4, > > > > > "name": "storage-0", > > > > > "type": "host", > > > > > "type_id": 1, > > > > > "pool_weights": {}, > > > > > "children": [] > > > > > }, > > > > > { > > > > > "id": -5, > > > > > "name": "storage-1", > > > > > "type": "host", > > > > > "type_id": 1, > > > > > "pool_weights": {}, > > > > > "children": [] > > > > > } > > > > > ] > > > > > [] > > > > > > > > > > B.R. > > > > > Changcheng > > > > > > > > > > On 16:27 Wed 23 Jan, Noah Watkins wrote: > > > > > > On Tue, Jan 22, 2019 at 8:54 PM Liu, Changcheng > > > > > > <changcheng.liu@xxxxxxxxx> wrote: > > > > > > > > > > > > > > 2) result: > > > > > > > [{"id":-1,"name":"default","type":"root","type_id":10,"children":[]}][] > > > > > > > > > > > > What version of Ceph are you using? Also.. is that the entire command > > > > > > output? For example, on the latest version I would expect there to be > > > > > > a "nodes" item: > > > > > > > > Seems like this has been the case for a while, I see it too on an > > > > older 13.2.0 version. > > > > > > > > > > > > > > > > { > > > > > > "nodes": [ > > > > > > { > > > > > > "id": -1, > > > > > > "name": "default", > > > > > > "type": "root", > > > > > > "type_id": 10, > > > > > > "children": [ > > > > > > -3 > > > > > > ] > > > > > > ... > > > > > > ], > > > > > > "stray": [] > > > > > > }